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Global Deal Will Cut Major Greenhouse Gas

Historic deal cuts HFC levels to slow warming

(Newser) - Nearly 200 nations have reached a deal, announced Saturday morning after all-night negotiations, to limit the use of greenhouse gases far more powerful than carbon dioxide in a major effort to fight climate change. The talks on hydrofluorocarbons, or HFCs, were called the first test of global will since the... More »

What Will Happen at Today's UN Climate Summit?

125 world leaders convene in NYC to rally for new climate initiatives

(Newser) - Today's UN climate summit in New York City will draw together 125 nations in a massive, one-day precursor to Paris talks next year aimed at an overarching agreement, and UN Secretary-General Ban Ki-moon is calling on world leaders to show up with "pledges of action," the BBC... More »

White House's New Enemy: Coolant Found in Your Home

Calls on firms, trading partners to cut down on R-134a

(Newser) - The Obama administration has a new goal in its effort to fight climate change: get Americans—and the world—to quickly stop using a chemical coolant found in just about every US home, car, and office. R-134a is a hydrofluorocarbon, or HFC; the chemical was used to replace ozone-damaging Freon... More »

Your Guide to Greenhouse Gases

Carbon dioxide you know, but what about perfluorocarbons?

(Newser) - With things set to really heat up next week at the Copenhagen climate summit, the Guardian runs down greenhouse gases you oughta know:
  • Carbon dioxide (CO2): Industrialization and deforestation have produced high levels of this gas, which helps trap heat inside Earth’s atmosphere.
  • Methane (CH4): Thirty times more dangerous
... More »

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