greenhouse gases

(Newser) - Who knew that bovine burping was a major source of methane gas and hence global warming? German scientists, that's who, and they've come up with a fist-sized pill to reduce it, along with the 4% of greenhouse gas emissions for which it is responsible.

(Newser) - This winter was the warmest ever recorded, bumping the previous high of 2004 in a crowded field: The ten warmest winters all fell within the past thirteen years. The National Oceanic and Atmospheric Administration, which calculates this average global temperature from land and ocean readings, concludes that the worldwide climate...