TRANSPORT: Ten Mile Markers on the Road to the Future

Ten Mile Markers to the Future. Image” Numbers 1 to 10 Rotation Illusion” by Nevit Dilmen, 2012. Wikimedia: Creative Commons 3.0. Included with appreciation .

Many governments, and most scientists, are clear that we need to stop using fossil fuels to halt climate change (and perhaps geopolitical conflict). But transitioning from today’s energy sources and systems to a new energy paradigm is not as clear. Where and how to start?

“500 Series Shinkansen train at Tokyo Station,” 2005. Photographer ⊃ Wikimedia: CC 3.0. With appreciation.

Let’s start with transport, because it is a sector already altered by the recent viral pandemic. Can we preserve some of the energy-saving practices as we move into the future? Here are ten steps recommended by the International Energy Agency:

TEN MILE MARKERS ON THE ROAD TO THE FUTURE

REDUCE SPEED: cut speed limit on highways by 10 kilometers (6.2 miles) per hour

TELECOMMUTE: work from home 3 days per week if possible

CAR-FREE DAY: large cities could ban cars from central urban roads one day per week

MICRO MOBILE: build bikeways, skating lanes, and walking paths

CAR SHARE: take an Uber; get a Lyft; commute with buddies

DELIVER THE GOODS: redesign freight trucks and trains for better energy use

EV: accelerate use of electric vehicles by financial incentives and supportive infrastructure

ZOOM: cut all non-essential business travel in favor of teleconferencing

TRAIN: incentivize high-speed, maglev, and hyper-loop trains with overnight sleeper cars

If the above actions were achieved, “Full implementation of these measures in advanced economies alone can cut oil demand by 2.7 million barrels a day within the next four months.” (IEA 2022)

Logo of International Energy Agency. www.iea.org. Image: wikimedia. With appreciation to IEA.

The International Energy Agency was founded (November 1974) to set up a collective action system to respond to disruptions in energy (then, mainly oil) supply. The IEA was created with a treaty: “Agreement on an International Energy Program.” Today, the IEA represents 75% of global energy consumers.

Can highways change energy use? “Car dashboard on highway,” by Arkady Lifshits, photographer. Generously dedicated to the public domain. Wikimedia: Creative Commons 1.0. With appreciation.

While the IEA can act collectively (It did in 1991, 2005, and 2011: could there be another soon?), countries often set energy-saving policies during shortages. In 1973, the United States Federal Highway Interstate System reduced speed limits to 55 mph (89 km/h) by passing the National Maximum Speed Law. As a result, lives were saved as well as energy: road fatalities declined by 16% (Friedman 2009).

England’s New River has walking paths. “New River Bowes Park,” by Nick Cooper, 2009. Creative Commons 3.0 with appreciation.

Walking paths were installed alongside England’s New River in 1603. Japan’s high-speed rail system, Shinkansen, (see above) built for the Tokyo Olympics in 1964 (and upgraded for the recent Summer Olympics in 2021), was profitable from day one.

“Eurotunnel: Folkestone Terminal,” by Ed Clayton, 2012. Creative Commons 2.0. With appreciation.

The Channel Tunnel, providing train transit from London to Paris, has brought increased economic and environmental benefits. Every new form of transport has caused changes in civilization: from the Silk Road to the Lunar Landing. Transport has the opportunity, and perhaps obligation, to develop mile makers on the road to the future. 

 

Buttigieg, Pete, United States Secretary of Transportation, and Cristiano Amon, President and CEO of Qualcomm. “The Future of Transportation is Driven by Tech.” CES 2022. VIDEO: https://www.youtube.com/watch?v=59HgM5gwmFI

Friedman, Lee S. el al., “Long-Term Effects of Repealing the National Maximum Speed Limit in the United States.” September 2009. American Journal of Public Health: 99(9): 1626-1631. https://www.ncbi.nlm.gov/pmc/articles/PM2724439/ and doi: 10.2015/AJPH.2008.153726

International Energy Agency (IEA). “A 10 Point Plan to Cut Oil Use.” March 2022. https://www.iea.org/reports/a/10-point-plan-to-cut-oil-use

United Nations. “Agreement on an International Energy Program (with annex).” and “Accord relatif à un programme international de l’énergie (avec annexe).” Number: 15664, 18 November 1974. https://treaties.un.org/doc/Publication/UNTS/Volume%201040/volume-1040-A-15664-English.pdf

United States. “National Maximum Speed Limit (NMSL)” as part of the “Emergency Highway Energy Conservation Act.” Public Law 93-239 – Jan. 2, 1974. https://www.govinfo.gov/content/pkg/STATUTE-87/pdf/STATUTE-87-Pg1046.pdf

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WATER: Microplastic Filter Innovations

Microplastics in four rivers – Image. “Microplastics in freshwater ecosystems: what we know and what we need to know.” by Martin Wagner, et al., Environmental Sciences Europe. 26, 2014. doi: 10:1186/s12302-014-0012.7

Did you know that 35% of the plastic in our water is microfibers? Those microfibers come from our clothing, released into the water supply during laundering. Microfibers are too small (0.5mm) to be captured by traditional filters. Currently, 2/3rds of clothing contains some percentage of synthetic materials. A typical washload of polyester clothing may shed 9,000,000 microfibres with every wash. Now there is something we can do to stop this problem: attaching a filter to washing machines to catch the microfibers. While the origin of microfibers in clothing is the garment industry, a major source of plastic microfibers is the effluence of laundry water. PlanetCare is expanding their product to a larger version for commercial laundries. 

“SEM picture of a bend in a high-surface area polyester fiber with a seven-lobed cross section” by Pschemp, 2000. Image Wikimedia.

Other companies are developing microfiber filters for washing machines. Environmental Enhancements offers the Lint LUV-R. Xeros Technologies produces the XFiltra. Filtrol makes a similar product. Cora Ball and Guppyfriend use a different technology: devices that collect microfibers inside the washing machine during the laundry cycle. While attached filters catch more fibers (87%), these tend to be the longest ones; Cora Ball inserts and Guppyfriend washing bags capture 26%, mainly the smallest fibers. Using both approaches would increase success.

Fast Company “G-Star Raw x Planetcare collab to flight microfibre pollution.” 8 October 2019. https://www.fastcompany.co.za/business/g-star-raw-x-planetcare-collab-to-fight-microfibre-pollution

Kart, Jeff. “Science says laundry balls and filters are effective in keeping microfibers out of waterways.” 2019. Forbes.https://www.forbes.com/sites/jeffkart/2019/02/01/science-says-laundry-balls-and-filters-are-effective-in-removing-microfibers/?sh=208899e6e07a

Rabinovich, Ben. “World Oceans Day: Check out these amazing inventions currently cleaning our oceans.” 4 June 2019. Daily Mail. https://www.dailymail.co.uk/sciencetech/article-7104173/World-Oceans-Day-Check-amazing-inventions-currently-cleaning-oceans.html

Tuttan, Mark and Katie Pisa. “Washing your clothes is causing plastic pollution, but a simple filter could help.” 14 November 2019. CNN. https://www.cnn.com/2019/11/14/world/microfiber-filter-plastic-pollution-int/index.html

Zupan, Mojca.  2019 YouTube: https://www.youtube.com/watch?v=AD7iTYhAC_U

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WATER: World Water Day 2021

“Water Drop” by José Manuel Suárez, photographer, 2008. Image: wikimedia.

World Water Day, begun in 1993, calls us to honor and preserve the world’s freshwater supply. Water, in the form of drinking water and safe sanitation, is the #6 Sustainable Development Goal of the United Nations.  Environmental historians observe that human history can be traced by innovations in water systems. Aqueducts built by the Romans brought fresh spring water to a growing city when the Tiber river became threatened. In England, the New River was one of the world’s first built watercourses, bringing potable water to the burgeoning city of London. The Colorado River Compact defined the rights and use of water for the American states of the Upper Basin (Wyoming, Colorado, Utah, New Mexico) and Lower Basin (California, Arizona, Nevada); sovereign peoples of the Navajo, Havasupai, Walapai, and several others; and México.  Rights of the Whanganui River of New Zealand established legal personhood in 2017, confirming a growing awareness of the rights of nature. Today’s World Water Day 2021 is dedicated to our personal use of water. While 71% of the world has access to safe drinking water, only 45% have use of safe sanitation. To access the country data where you live, the United Nations invites you to explore the world water database here. To tell your own story about how you experience water, record your views here.

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ENERGY: Fueling the Future

Electric Green Camo. Photographer warcow112; image: wikimedia.

After 2030, you won’t be able to buy a diesel or gasoline car or van in Britain. That’s five years earlier than planned, but not a minute too late. “We must use the extraordinary powers of invention to repair the economic damage from Covid-19, and to build back better. Now is the time to plan for a green recovery with high-skilled jobs that give people the satisfaction of knowing they are helping to make the country cleaner, greener, and more beautiful,” stated Boris Johnson, Prime Minister. It’s part of a plan to achieve net zero emissions by 2050: Britain was the first G7 country to put that goal into law, in 2019.  New green jobs are expected to number 250,000, supported by $16 billion (12 billion Pounds) in government funds, tripled in contribution by industry. Britain plans on EV tech in the Midlands, advanced fuel specialists in the Wales, agroforestry practitioners in Scotland: those who train for new green jobs will be certified with a Lifetime Skills Guarantee. It’s a 10 point plan:

Ten from Number 10 Downing.

One – Wind

Two – Hydrogen

Three – Nuclear

Four – Electric vehicles (EV)

Five – Public transport including cycle lanes

Six –  Aircraft (and ships) of zero emission

Seven – Greener homes, schools, hospitals

Eight – Carbon capture and storage

Nine – Planting and rewilding

Ten – Energy innovation fund.

CCC Poster by Albert Bender, 1935. Let’s update the wording to “Everyone’s Opportunity.” Image: wikimedia.

Britain’s plan may provide an example of using post-pandemic funds to fuel a new economy. What will other countries do? In the United States, after the great depression, Franklin Delano Roosevelt launched the Civilian Conservation Corps to build a new vision with jobs in infrastructure that transformed the nation. Is it time now for a new CCC – Climate Conservation Corps? In another time of dire circumstances, the Manhattan Project garnered resources that led to a new form of energy. Now, as we approach 2021, how can American recovery and stimulus funds transform education, industry, and infrastructure?

Johnson, Boris. “Green Jobs,” 18 November 2020, Financial Times. http://www.ukpol.co.uk/boris-johnson-2020-article-in-financial-times-on-green-jobs/

Twidale, Susanna. “Britain to ban new petrol cars by 2030 on road to net zero emissions.” 17 November 2020. Reuters, ESC Environment. https://www.reuters.com/article/us-climate-change-britain-idUSKBN27X220

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WATER: Beach Weekend? Biodegradable Flip Flops

“Pristine Beach on the Soline Peninsula,” 2011. Photographer Alex Proimos. Image: wikimedia.

Labor Day 2020: for many it’s a beach weekend in flip flops. Too often, beaches are strewn with broken or discarded flip flops that litter the sand and pollute the water. Enter an innovation: biodegradable flip flops from the University of California San Diego and the California Center for Algae Biotechnology.

“Algae in pond, North Carolina.” Photographer: Ildar Sagdejev, 2008. Wikimedia.

Formula: take pond algae, dehydrate to a paste, extract lipids, run through series of chemical changes to produce polymers, pour resulting material into a mold. Present product, manufactured in partnership with Algenesis Materials, is 52% biodegradable and 48% petroleum; by 2025, the flip flops will be 100% made from renewables. If you do leave your flip flops at the beach, they’ll biodegrade and compost in 18 weeks.

Biodegradable flip flops will go on sale in 2021. Image: wikimedia.

It’s the world’s most popular shoe. Over three billion people wear only flip flops, but the footwear lasts only for about two years and is then discarded, eventually entering the world’s waters. East African beaches see 90 tons of discarded flip flops each year. Three billion flip flops end up in waterways and oceans every year. UniqueEco recycles old flip flops into toys; Terracycle shreds them to use for manufacturing picnic benches.  DIY Dreaming uses old flips to make dog beds. Okabashi makes recyclable sandals, and Splaff and Sanuk use natural materials for footwear. But Algenesis may be the first to make flip flops from algae. The footwear industry generates $215 billion annually, and the plastic industry is worth $1.2 trillion. Algensis biodegradable flip flops will go on sale in January 2021.

California Center for Algae Biotechnology. https://algae.ucsd.edu/about/index.html

Elassar, Alaa. “Researchers create eco-friendly, biodegradable flip flops made of algae,” 23 August 2020. CNN.com. https://www.cnn.com/2020/08/23/us/uc-san-diego-algae-flip-flops-trnd-scn/index.html

Frerck, Robert. “Flip Flop Factos: Find Out.” Blue Ocean Network. https://blueocean.net/flip-flop-facts-find-out

Segran, Elizabeth. “How one lab is turning algae into flip-flops – and taking on Big Plastic in the process.” 8 August 2020. Fast Company. https://www.fastcompany.com/90543908/how-one-lab-is-turning-algae-into-flip-flops-and-taking-on-big-plastic-in-the-process/

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WATER: How much do you use?

How much water do you use? Image: “Blue question mark,” wikimedia commons.

Only 1% of water on Earth is drinkable (actually, it’s 2.5% but only 1% is readily accessible). The rest of the water on the planet rests in the sea, but it is salty and therefore requires desalination to use for drinking or agriculture.

New River, a fresh water supply and a fresh idea. Image: wikimedia.

Ever since the most ancient times, humans have invented ways to find, distribute, use, and power with water. From the Roman Aqueducts and the New River of England that brought fresh water to the growing cities of Rome and London, respectively, to the water use agreements of the Colorado River of the USA and Snowy Mountains Hydroelectric of Australia, the story of civilization is the story of water.

With populations growing and climate changing, water will become more scarce and more important for uses for drinking, agriculture, industry, and energy. While macro systems that deliver water to our taps are large in scale, each of us can do something to protect and conserve water.

 

Take this quiz to calculate your WATER USE.

Attenborough, Sir David. “Fresh Water.” Episode 3. Our Planet. BBC One/Netflix. https://www.youtube.com/watch?v=R2DU85qLfJQ/

Jacobsen, Rowan. “Israel Proves the Desalination Era is Here,” 29 July 2016. Scientific American. https://www.scientificamerican.com/article/israel-proves-the-desalination-era-is-here/

Spang, E., E. R, K.S. Gallagher, P.H. Kirshen, D.H. Marks. 2014 “The Water Consumption of Energy Production: An International Comparison.” Environmental Research Letters, Volume 9, 105002. https://iopscience.iop.org/article/10.1088/1748-9326/9/10/105002/meta/

Water Calculator. https://www.watercalculator.org/wfc2/q/household/

Water Footprint Calculator. “Water Websites for Kids.” 13 November 2019. https://www.watercalculator.org/resource/water-websites-for-kids/.

Thanks to Sierra C. Lusk for research and inspiration.

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Regreening the Sahel: Water, Land, and Renewal

Sahara Desert. Image: wikimedia.

Sahara, sea of sand, desert of legend, is ever-advancing. Over time, the Sahara Desert has expanded into the Sahel, a transnational ‘shore’ of African countries. Population in the Sahel has increased 120% in the last three decades: now, 64% of the population is under 25%. The encroaching Sahara, along with climate change induced heat and drought, is choking crops; 3.7 million people suffering the effects of crop loss, with shortages of millet and sorghum, staples. Famine, conflict, migration threaten the area. The Sahel reaches 3,360 miles from the Atlantic Ocean to the Indian Ocean, all across the southern belt of the Sahara Desert. What can be done? Two answers may be emerging.

The Sahara Desert, seen from space by satellite. The Sahel is just south of the desert. Image: wikimedia.

The Sahel has some of the largest aquifers in the continent, as much as 100 times annual rainfall and other renewable sources. But the Law of Transboundary Aquifers is still in draft. Sahel countries need to decide the use of shared water for drinking, agriculture, and industry. Agreements should also monitor extraction; some of the aquifers are sizable but slow to refill and replenish. Precedent for water sharing might include the Colorado River Compact, especially amendments. A future exploration of the Sahara itself may tap water resources under the sands, and a proposal by Frank P. Davidson for Lake Hope (2012).

Stopping Saharan desert expansion is important. The possibility of planting a green wall across the boundary of the Sahara to stem desert invasion of fertile lands adjacent is said to have been pondered by Richard St. Barbe Baker OBE during a study expedition to the Sahara in the mid 20th century. There was talk of building a test model of 30 miles at that time. But the present vision of green wall across Africa of 4,722 miles (7,600 kilometers) didn’t take root until 2002, when the Green Wall was re-introduced at the summit in Chad of the World Day to Combat Desertification and Drought. Support grew. Three years later, the concept was approved by the Community of Sahel-Saharan States; two years after that, in 2007, the African Union endorsed the “Great Green Wall for the Sahara and the Sahel Initiative.” The Great Green Wall hopes to restore and renew 100 million hectares by 2030, reduce CO2, absorbing 250 million tons, and create 10 million green jobs. Ethiopia has already restored 15 million hectares.

Great Green Wall of Africa. Image: wikimedia commons.

But results are still to be judged. Some point out that desertification is not just the fault of the Sahara, but instead may be due to deforestation and denuding of land. Observing success in applying traditional water conservation and harvesting methods, and nurturing of trees that appear naturally, the project is evolving into something that is working, in a different way. There are some who warn against some methods of afforestation, and choice of plantings is critical to success. Recent progress in Burkina Faso with building zaï, a grid planting method promoting water retention is one example. Another: increased respect for Faidherbia albida, an indigenous tree that defoliates during the rainy season, dropping leaves that fertilize soil, and also permit full sun during the subsequent early growing season. Other factors might be considered like walking paths, as envisioned by architect Benton MacKaye, resulting in the Appalachian Trail. Some suggest the Green Green Wall of Africa could become a model for a new CCC. The work of John D. Liu combines regreening with camps. Other green walls of afforestation include China’s Three-North Shelter Forest Program, China began the project in 1978 to stop the Gobi desert from advancing; while monoculture and some tree loss are problems, forest size has increased from 5% to 13.% with 13 million hectares (32 million acres) of trees planted (an area the size of western Europe). China will complete the afforestation project in 2050. India’s Green Wall of Aravalli, proposed by Vijaypal Baghel at COP 14 would build 1,6000 km of green; and Great Hedge of India, originally related to customs control line for 1870’s salt tax, and later grown into a living hedge. Progress of green walls can now be tracked through Earth Observation Satellites. ESA’s Prova-V monitors the Sahel.

Gobi Desert and Three-North Shelter Forest of China. Image: wikimedia.

Macroengineering endeavors involving transboundary resources may require an organizational form that allows for coordination of many different and interacting systems. As climate change affects regions, not just nations, will we see more macro solutions? The advancing Sahara desert does not stop at the Mali border but threatens the whole southern edge of the desert. The rising Atlantic ocean does not stop at Maine in the United States but continues to lap the coast of Canada. Africa’s Great Green Wall may set an example.

When completed, the Great Green Wall of the Sahel would be the largest living structure on Earth – three times the size of the Great Barrier Reef.  The 7,600 km (4,000 plus miles) natural wonder of the world may be visible from space. As the Great Green Wall evolves to benefit from traditional water conservation measures, countries of the Sahel may work together to rebuild and strengthen the fertility of the land and its treasured water resources, the Sahel may build more than a wall, but also a foundation.

Re-greening the world. Image: “Nursery stock of spruce for afforestation.” Wikimedia commons.

“Building the Great Green Wall,” https://www.youtube.com/watch?v-cphSne_HIPA. Accessed 24 June 2020.

Davidson, Frank P., Kathleen Lusk Brooke, with Cherie E. Potts. Building the Future. pages 35-59. Cambridge: 2012.

Gallo, Alexandro. “China: the Green Wall which will stop the desert advancing.” 10 July 2019. ecobnb https://ecobnb.com/blog/2019/07/china-the-new-green-wall-which-will-stop-the-desert-advancing/

Great Green Wall. “The Great Green Wall: Growing a World Wonder.” https://www.greatgreenwall.org/abot-great-green-wall

International Tree Foundation. Oxford, UK. https://internationaltreefoundation.org/

Litwin, George H., John J. Bray, Kathleen Lusk Brooke. Mobilizing the Organization: Bringing Strategy to Life. London: 1996.

Liu, John D. “Green Gold.” FILM: https://www.youtube.com/watch?v=YBLZmwlPa8A

Liu, John D. Ecosystem Restoration Camps. https://ecosystemrestorationcamps.org/update-from-john-d-liu-founder-of-ecosystem-restoration-camps/

Meirelles, Fernando. “Great Green Wall.” Film from creator of City of God and The Constant Gardner, Oscar Nominee, and United Nations Convention to Combat Desertification, with Inna Modja and music collaborators Didier Awadi, Songhoy Blues, Waje, and Betty G. FILM LINK: https://www.greatgreenwall.org/film

Morrison, Jim. “The ‘Great Green Wall’ Didn’t Stop Desertification, But It Evolved Into Something That Might.” 23 August 2016. Smithsonian Magazine. https://www.smithsonianmag.com/science-nature/great-green-wall-stop-desertfication-not-so-much-180960171/

Moxam, Roy. The Great Hedge of India. London: Constable & Robinson, 2001. ISBN: 1841194670.

Saeed, Khalid. “The Sahel and System Dynamics,” correspondence discussion, June 2020.

St. Barbe Baker, Richard. My Life, My Trees (2nd edition, 1985) Forres: Findform. ISBN: 0-905249-63-1,

The Stream. “Why is Africa building a Great Green Wall?” 17 September 2019. https://www.youtube.com/watch?v=LK6FUv4fhmo

United Nations. United Nations Convention To Combat Desertification: In Those Countries Experiencing Serious Drought and/or Desertification, Particularly in Africa. See especially Article 3: “Principles” and Article 10: “Organizational framework of subregional action programs.” https://www.unccd.int/sites/default/files/relevant-links/2017-01/UNCCD_Convention_ENG_0.pdf

United Nations, Convention to Combat Desertification. “The Great Green Wall Initiative.” https://www.unccd.int/actions/great-green-wall-initiative/

United Nations. Law of Transboundary Aquifers. https://www.worldbank.org/en/region/brief/enhancing-knowledge-of-groundwater-usage-in-the-Sahel.  and for the draft articles: https://www.un.org/en/ga/sixth/71/transboundary_aquifers.shtml

Wang, X.M., and Cicheng Zhang, Eerdun Hasi, Z.B. Dong. “Has the Three-North Shelterbelt Program solved the desertification and dust storm problems in arid and semiarid China?” January 2010. Journal of Arid Environments. DOI: 10.1016/j.jaridenv.2009.08.001. https://www.researchgate.net/publication/248568946_Has_the_Three_North_Forest_Shelterbelt_Program_solved_the_desertificatino_and_dust_storm_problems_in_arid_and_semiarid_China.

World Bank Group. “Burkina Faso: The Zaï Technique and Enhanced Agricultural Productivity.” 2005. https://openknowledge.worldbank.org/handle/10986/10754

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WATER: How an idea for Mt. Everest could help 4 billion people

Mt. Everest: could an idea conceived on the summit improve the health of 4 billion people? Image: wikimedia.

Mt. Everest – a mountain so legendary that everyone wants to climb it. But mountaineers bring more than gear: they leave  28,000 pounds of human waste. Some is dumped in open pits, threatening water supply safety. That’s when Zuraina Zaharin, Everest climber and environmentalist, came up with an innovative idea. Partnering with Imad Agi, inventor of a waterless sanitation system using microbes to turn human waste into fertilizer so safe it can be used as fertilizer in organic farming, the duo launched EcoLoo. The system could be a solution for the 4 billion people worldwide who do not have in-house sanitation. And as water grows scarce in climate change, cutting consumption (we use 141 billion liters of fresh water daily just to flush toilets), EcoLoo could provide an alternative. Bill Gates sponsors a prize to reinvent the toilet, saving 432,000 lives lost each year to disease caused by inadequate sanitation. Water and sanitation have been linked to many advances in civilization, from the Roman Aqueducts to the New River. EcoLoo is now installing systems in remote locations like mountain environments, island vacation retreats; there are several at UNESCO World Heritage site Petra, and the company is planning to make units available for disaster response.

Al-Aidroos, Amani and Tom Page. “How a poop on Everest inspired a toilet that could save lives.” 4 December 2019. CNN. https://www.cnn.com/2019/12/04/health/ecoloo-waterless-toilet/index.html

EcoLoo. http://www.ecoloogroup.com

World Health Organization. “Sanitation for All by 2030.” https://www.who.int/news-room/detail/01-10-2018-who-calls-for-increased-investment-to-reach-the-goal-of-a-toilet-for-all

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CITIES: Trees

Boston’s Greenway. Image: Greenway Conservancy.

American cities lost 36 million trees in the last five years. Without trees, cities will get hotter and suffer more periods of air pollution. Why are we losing trees? Hurricanes and tornadoes tear them from the earth, fires burn them to the ground, insects and diseases weaken and kill trees. Those are some of the reasons we can’t easily control.

La Rambla, Barcelona, Spain. Image: wikimedia.

But there is one factor we can influence: city development. Cities are on the rise, rapidly growing into megacities with populations of 10 million or more. The United States, with 80% of the US population living in urban areas, especially in forested coastal regions along the West and East coasts, has a unique opportunity to preserve and enhance urban forests. It’s well worth it. Trees bring environmental and economic benefits.

URBAN TREES:

Provide shade for homes, schools, office buildings, cooling surface temperatures;

Reduce pollution through absorbing carbon and filtering pollutants from the air;

Reduce energy costs by reducing air-conditioning use – economics of $4 billion per year;

Improve water quality by filtering rainwater, absorbing nitrogen and phosphorus in to the ground;

Protect against urban flooding, absorbing surface water;

Reduce noise pollution by absorbing urban sound;

Enhance city soundscape by adding birdsong, and the whisper of wind through leaves;

Protect against UV radiation, absorbing 96% of ultraviolet radiation;

Improve health, physical through cleaner air and shade to exercise outdoors, mental health of being in nature;

Increase tourism and real estate values.

The New River passes through Bowes Park. Image: wikimedia.

Case studies of successful historic urban forestation reveal strategies. In the year 1600, so many people crossed London Bridge to live in the burgeoning London town that water supply became strained. One of the world’s first artificial or built rivers combined two elements: drinking water and trees. Constructed from 1605 to 1639, the New River stretches over 20 miles from Hertfordshire to Islington, just uphill from London, terminating in a water reservoir ready as needed. All along the route, tree-lined walking paths add protection and shade. Today, the New River is run by Thames Water PLC, managing water supply, and maintaining the walking paths traversed by urban hikers including the Ramblers Association. It is interesting to note that Hugh Myddleton, who partnered with King James I to build the New River, was the regent’s former jeweler and may be related to a member of the present House of Windsor.

Boston had a similar idea with Olmstead’s “Emerald Necklace” with recent Rose Fitzgerald Greenway extension of the urban breathing ribbon of green. The Greenway replaced what was formerly the Central Artery that ran traffic anthrough town; the road was placed underneath in a tunnel and the surface became a park. For an even earlier urban greening, some would point to the City of the Eiffel Tower where Haussmann widened tree-lined boulevards to breathe air and design into Paris. Presently, the city of light requires new commercial construction to have either solar or living green roofs.

“Terrasse panoramique @ Le Printemps Haussmann @ Paris.” by Guilhem Vellut, 2017. Image: wikimedia commons.

By 2050, 70% of the world’s people will live in cities. As cities grow, rebuilding better water systems, developing flood prevention plans, redesigning roads to accommodate electric and autonomous vehicles, how can trees become part of the plan? Will the proposed Climate Conservation Corps (CCC) plant trees in cities? A pilot project at Roger Williams University, or an initiative by World War Zero, might lead the way. There may be considerations of legal import: should trees have standing?

Brooke, Kathleen Lusk and Zoe G. Quinn. “Should trees have standing?” Building the World Blog. University of Massachusetts Boston. https://blogs.umb.edu/buildingtheworld/2019/03/01/should-trees-have-standing/

Chillag, Amy. “US cities are losing 36 million trees a year. Here’s why it matters and how you can stop it.” 18 September 2019. CNN.https://www.cnn.com/2019/07/20/health/iyw-cities-losing-36-million-trees-how-to-help-trnd/index.html

Sustainable Urban Forests Coalition. https://sufc.org/

New River, http://www.thames-water.com

Ramblers Walking Paths of the New River, http://www.ramblers. org.uk/info/paths/newriver.html.

Building the World Blog by Kathleen Lusk Brooke and Zoe G. Quinn is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unpor

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WATER: antibiotics on tap

Pills of antibiotic cefalexin. Photographer: Sage Ross, 2014. Image: wikimedia commons.

Feeling sick? It may the drugs you just took when you drank a sip of coffee or a glass of water. Affecting not just humans but aquatic life, medications are entering the water as fast as plastic – they’re just harder to see.

Antibiotics have been found in 65% of over 70 world waterways tested. For example, a site in Bangladesh showed Metronidazole present at levels 300 times the safe limits (20,000 to 32,000 nanogram per liter (ng/l) guidelines set by AMR Industry Alliance). The most frequent contaminant? trimethoprim found at 301 of 711 river testing sites. Most prevalent antibiotic found at dangerous levels: Ciprofloxacin, in 51 of the 72 countries tested.

Chao Phraya River Drainage Basin. Image: wikimedia.

Rivers all over the world show similar results: Chao Phraya, Danube, Seine, Thames.  Some areas of the world suffer infected water more: Bangladesh, Ghana, Kenya, Nigeria, and Pakistan ranked highest of sites monitored. In general, Asia and Africa frequently exceeded safety limits for antibiotics but problems were also found in Europe, North and South America. In other words, it’s global.

Of course, antibiotics save lives. But that’s just the problem: growing global resistance to antibiotics, anti fungals, antivirals caused 700,000 deaths yearly due to drug-resistant diseases, among them tuberculosis. The United Nations’ Interagency Coordination Group on Antimicrobial Resistance predicts that by 2030, over one million people will die every year due drug-resistant diseases.

PROBLEMS: Individuals are in no small part responsible: a study in California revealed half of all medications are discarded, often into the water supply. Another problem: even if we don’t intend to, individuals deposit drugs into the water supply.  People take a lot of drugs, both prescription and over-the-counter; our bodies metabolize only a percentage of the intake, excreting the rest into wastewater systems. And then there are the larger systemic depositors: hospitals try to return unused drugs to manufacturers obtaining a credit or at least assured safe disposal, but care and nursing facilities may not have such arrangements. Certainly drug manufacturers generate highly concentrated waste; downstream of a New York State pharmaceutical manufacturing plant, antibiotic concentrations showed levels 1,000 times higher than normal. And then there’s agriculture: poultry and livestock farming are responsible for two trillion pounds of animal waste filled with the hormones and antibiotics fed to the animals to optimize growth and marketability.

Antibiotics harm fish and aquatic life. Image: Giant Group, Georgia Aquarium, Wikimedia.

Other ways animals are affected? Aquatic life itself is changing: so much estrogen has entered rivers and ponds that male fish are showing genetic changes including the development of intersex fish, especially downstream of wastewater treatment plants: notable is Washington’s Potomac River.

Filters are one approach: water treatment plants have been successful at filtering out ibuprofen but couldn’t catch diclofenax, another pain reliever. Chlorine used in drinking water treatment does reduce bacteria and also degrades acetaminophen and the antibiotic sulfathiazole, and also carbamazepine (by 75%). Still, chemicals are getting into our bodies simply by turning on the tap: Southern Nevada Water Authority found antibiotics, antipsychotics, beta blockers, and tranquilizers in the drinking water as far back as 2010. It is only getting worse.

SOLUTIONS

Pharmaceutical systems include manufacturing, distribution, consumption, disposal, and waste treatment: each step of the process offers opportunities for intervention and innovation. Regulations, at a national, local, or global level, can be effective: compliance is now an industry with consultants like Stericycle with programs “designed to meet regulatory requirements.” Of course, pharmaceutical businesses have in-house programs and systems, including segregating hazardous waste pharmaceuticals that are then sent to a Treatment, Storage, and Disposal Facility (TSDF). It’s a big business: UBS and Vanguard are investors, along with 500 other financial funds. Stericycle has 22,000 employees: competitors include Republic Services with 36,000 and Waste Management with 42,000 employees. It’s a business of the future: pharmaceutical use shows no sign of decreasing, although there is a movement to encourage safer drugs.

Jardine Water Purification Plant, Chicago, Illinois, USA. Image: wikimedia.

Nations and cities can take action. Water facilities such as the Jardine Water Purification Plant in Chicago, Illinois, world’s largest by volume, draws water from the American Great Lakes for distribution to 390 million urban residents. Research and innovation here could lead the way. In Europe, Germany invested one billion euro in the last two decades to water infrastructure including wastewater collection and treatment, in some ways advancing beyond the EU’s Council Directive 98/83/EC.1

Waterways themselves can innovate. When the Roman Aqueducts were built, it was due to an increasingly polluted Tiber River. When London’s water supply from the Thames became problematic, a public-private system was developed: the New River. Will the Grand Canal of China, part of the Belt and Road Initiative, lead research and action to improve the aquatic environment ? Might Inland Waterways International champion ways to improve the health of rivers and other created waterways?

SOLUTION: YOU – What can you do?

Don’t purchase bulk or volume packaging, avoiding accumulation of unused or expired chemical formulations.

Never flush unused medications, vitamins, or supplements down the drain.

When you must dispose, trash/landfill is preferable to flush/water. First, remove pills from container (recycle container),  then crush the pills, add a bit of water, and seal the result in a strong plastic bag before placing in trash.

MORE

Boxall, Alistair. York Environmental Sustainability Institute, and SETAC Helsinki 2019: https://helsinki.setac.org/wp-content/uploads/2019/05/SETAC-Helsinki-programme-book.pdf; and .https://www.york.ac.uk/yesi/news/pharmaceuticals/

Craft. “Stericycle Competitors and Alternatives.” https://craft.co/stericycle/competitors/

Fox, Kara. “The world’s rivers are contaminated with antibiotics, new study shows.” 27 May 2019, CNN. https://www.cnn.com/2019/05/27/health/antibiotics-contaminate-worlds-rivers-intl-scli/index.html.

Harvard University. “Drugs in the water.” June 2011, Harvard Health Letter. https://www.health.harvard.edu/newsletter_article/drugs-in-the-water.

Society of Environmental Toxicology and Chemistry (SETAC). https://www.setac.org

Stericycle.com NASDAQ: SRCK

University of York. “Antibiotics found in some of the world’s rivers exceed ‘safe’ levels, global study finds.” 27 May 2019. https://www.york.ac/uk/news-and-events/news/2019/research/antibiotics-found-in-some-of-worlds-rivers/

Building the World Blog by Kathleen Lusk Brooke and Zoe G Quinn is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported Licen

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