Greenhouse gases that are more powerful than carbon dioxide are the focus of a global gathering this week in Africa. Experts say cutting hydrofluorocarbons, or HFCs, is the fastest way to reduce global warming. The United ...
Oct 13, 2016 in Environment
Hopes were high Friday that world envoys meeting in Rwanda will agree to phase out potent gases used in refrigerators and air conditioners that are one of the biggest contributors to global warming.
Oct 14, 2016 in Environment