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The White House today announced a plan to reduce U.S. emissions of hydrofluorocarbons (HFCs), a potent greenhouse gas with 2400 times the climate impact of CO2. Companies that make the refrigerants have pledged to dramatically reduce and eventually phase out their production at the same time they develop greener alternatives, and retailers have agreed to use equipment that is HFC-free. [Source: Science / AAAS]
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