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Global study shows uneven urbanization among large cities in the last two decades

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According to the latest report from the United Nations (UN), the global population in 2018 was 7.6 By 2050, the global population is expected to soar to 9.7 Kathmandu in Nepal, Dar es Salaam in Tanzania). Credit: The University of Hong Kong. The world has experienced significant urbanization in recent decades.

Global 433
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Researchers castigate planning bodies for ill-conceived Jatropha programs

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Research on Jatropha planting in Tanzania found the net present value of a five-year investment in Jatropha plantation was negative with a loss of US$ 65 per ha on lands with yields of 2 tons/ha of seeds and only slightly beneficial at US$9 per ha with yields of 3 tons when the average expected Jatropha seed yield on poor barren soils is only 1.7

India 239
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Study finds economic losses due to health burdens caused by in-car PM2.5 exposure inversely proportional to per capita GDP

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Some of the world’s cities suffer disproportionate economic losses because of the health consequences of in-car air pollution, according to a new study by an international team led by researchers at the University of Surrey (UK). Surrey’s Global Centre for Clean Air Research (GCARE) set out to investigate whether the amount of PM 2.5

Malawi 243
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Drivers from the world’s poorest cities who keep their windows down are exposed to 80% more air pollution

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Car users from the world’s least affluent cities are exposed to a disproportionate amount of in-car air pollution because they rely heavily on opening their windows for ventilation, according to a new global study led by researchers at the University of Surrey. In-Car Particulate Matter Exposure across Ten Global Cities.”

Pollution 170