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The World Is Waking Up to the Dangers of Super Pollutants
Carbon dioxide is the big daddy of greenhouse gases. Making up the bulk of our emissions and staying up in the atmosphere for many centuries, whether we’re successful or not at limiting global temperature rise boils down to what we do about CO2.
But it’s only part of the equation in global warming. A group of lesser-discussed climate pollutants are many times more powerful than carbon dioxide and could serve as an emergency brake on near-term warming. Even better: There’s reason to be cautiously optimistic.