What causes global warming?New evidence says soot might account for as much as 25% of observed global warming. Future Pundit says it's good news: ... it is a lot cheaper to reduce soot emissions than to reduce carbon dioxide emissions. If a substantial source of warming can be cancelled out cheaply then that buys time (assuming it really is necessary to intervene in the first place) to develop technologies that will allow carbon dioxide emissions to be reduced at much lower cost. |
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