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Study: countries seeking to cut CO2 emissions must get a handle on city-level emissions

Green Car Congress

The researchers set out a framework for gathering and analyzing local information about how cities contribute to pollution levels, and show how these insights could be used to target climate mitigation initiatives most effectively. Total CO 2 emissions of 182 Chinese cities. Yuli Shan, Dabo Guan, Klaus Hubacek, Bo Zheng, Steven J.

Emissions 210
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A Skeptic’s Take on Beaming Power to Earth from Space

Cars That Think

Energy experts have been warning that electricity is likely to get more expensive and less reliable unless renewable power that waxes and wanes under inconstant sunlight and wind is backed up by generators that can run whenever needed. The energy sent Earthward by the craft was too meager to power a lightbulb, but it was progress nonetheless.

Power 134