June 26, 2020
by Building The World
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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 … Continue reading
April 26, 2017
by Building The World
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Two-thirds of the earth’s population may soon need more water, especially in arid regions. Australia, India, North Africa, and areas of the United States and Mexico, to name but a few, are rich in sun but poor in water. Using … Continue reading
June 3, 2015
by Building The World
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World water is in crisis. For example, 70% of Tanzanian households lack clean drinking water: now Askwar Hilonga, of the Nelson Mandela African Institute of Science and Technology, is about to change that. Growing up in rural Tanzania, the chemical engineer recalls … Continue reading
May 12, 2014
by Building The World
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May is a good month for trains. On May 10, 1869, the Transcontinental Railroad transformed the commercial and social interactions of the United States. The Channel Tunnel opened in May 1994. In May 2014, Africa announced a new railway … Continue reading
September 25, 2013
by Building The World
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Abuja became the new capital of Nigeria, replacing Lagos, in 1991. Reasons were similar to factors that led Brazil to leave popular coastal Rio to the tourists and samba dancers (not to mention soccer players and Olympians) and build a … Continue reading