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The methane and carbon monoxide released during charcoal production have short atmospheric lifetimes compared with that of fossil fuel carbon dioxide. In the long run, the net effect of charcoal on the climate is nil because the wood used to produce charcoal was formed from carbon dioxide by photosynthesis. Recommending that nations convert from charcoal […]
By Science News -
EarthCharcoal warms the whole world
The techniques used in developing nations to transform wood into charcoal are net emitters of greenhouse gases, even though the wood used to produce the fuel removed globe-warming carbon dioxide from the atmosphere as it was growing.
By Sid Perkins -
ChemistryCompounds cool without minty taste
Scientists have created a compound that delivers a more potent version of the cooling sensation of menthol, without the minty taste or smell.