Treaty To Limit Carbon Dioxide Should Be Followed By Similar Limits On Other Greenhouse Pollutants

While carbon dioxide is the main greenhouse gas and the focus of climate treaties, other pollutants that stay in the atmosphere for only days or months also contribute to global warming. Researchers argue that policymakers should plan a summit now to look at these pollutants, which range from soot to ozone and methane, because they will be more complicated to regulate than is the case with carbon dioxide.

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