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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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For the study, published in the journal Environment International , the team monitored pollution hotspots in 10 global cities: Dhaka (Bangladesh); São Paulo (Brazil); Guangzhou (China); Medellín (Colombia); Cairo (Egypt); Addis Ababa (Ethiopia); Chennai (India); Sulaymaniyah (Iraq); Blantyre (Malawi); and Dar-es-Salaam (Tanzania).?.

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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The study was part of the Clean Air Engineering for Cities (CArE-Cities) project. Science of the Total Environment , 141395 doi: 10.1016/j.scitotenv.2020.141395. The research team investigated PM 2.5 —Professor Prashant Kumar, Director of GCARE at the University of Surrey. Morawska, L., Muula, A.S., Ngowi, A.V., 2020.141395.

Pollution 170
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UN: world population is expected to reach 9.7 billion in 2050 and could peak at nearly 11 billion around 2100

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The resulting changes in the size, composition and distribution of the world’s population have important consequences for achieving the Sustainable Development Goals (SDGs), the globally agreed targets for improving economic prosperity and social well-being while protecting the environment. A fertility level of 2.1

Asia 220
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Perspective: Why Carbon Emissions Should Not Have Been the Focus of the UN Climate Change Summit and Why the 15th Conference of the Parties Should Have Focused on Technology Transfer

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During the 4 th COP, developed nations began to emphasize the issue of the lack of enabling environments as a barrier to technology transfer. Without clean technologies in place, these developing countries will find it impossible to curb emissions.