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

Green Car Congress

Using China as a model, the team compared emissions data from 180 cities across the country, looking at the industrial make-up of each city, its socioeconomic profile, and the types of energy produced and consumed. Rather than creating low-carbon pathways at a national level, we need a pathway for each city. Shan et al.

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

Cars That Think

The thousands of rocket launches needed to loft and maintain these space power stations would dump lots of soot, carbon dioxide, and other pollutants into the stratosphere, with uncertain climate impacts. Space Industry Experts Run the Numbers The U.S. These rectennas would then convert the signal to usable DC electricity.

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