photo: World Resources Institute Though CO2 gets all the press and is the number one greenhouse gas, causing 40% of warming, black carbon comes in at number two. It’s responsible for 16-18% of warming, depending on who’s doing the calculations, and thankfully dissipates in the atmosphere pretty quickly, in a matter of

weeks if the sources are removed. Which is why more efficient biomass cook stoves, such as used in many places in developing nations, could have a big climate change impact and …

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More Efficient Cook Stoves Could Reduce Greenhouse Gas Emissions by 18%