Your Guide to Greenhouse Gases

Agency can regulate greenhouse gases under Clean Air Act

(NEWSER) - It's official: the Obama administration today declared greenhouse gases a threat to public health, which will allow the agency to use the Clean Air Act to regulate emissions without congressional approval, the Washington Post reports. "There are no more excuses for delay," said EPA administrator Lisa Jackson, who will appear at the climate conference in Copenhagen this week. "This administration will not ignore science and the law any longer." More»

Nitrous oxide nothing to chuckle about, climate scientists say

(NEWSER) - Nitrous oxide is the new chlorofluorocarbons. A study published today fingers N2O, aka laughing gas, as the most dangerous ozone-depleting gas in the air, Time reports. Nitrous oxide isn’t as dangerous as CFCs, but it’s incredibly common, emitted by everything from fertilizer to sewage treatment plants to cars. “Pretty soon, human-caused N2O emissions will be greater than all other ozone-depleting substances combined,” warned one atmospheric scientist. More»

(NEWSER) - Vermont dairy farmers are changing their cows’ diets in an effort to fight climate change, the AP reports. Milk production accounts for 2% of the country’s greenhouse gases, the vast majority of which comes from the methane-rich burps of cattle. Now, 16 farms working with Stonyfield Farm Inc. are feeding their cows a gas-reducing mix of flaxseed, alfalfa, and grasses instead of soy and corn. More»

Rich countries balk at paying poorer nations to stop hacking trees

(NEWSER) - The triumph of the Bali summit may be its plan to stop deforestation, but rich and poor nations are still clashing over details, the Washington Post reports. A dozen developing countries want incentives to stop tree-cutting, but some developed nations wince at paying them for actions not taken. "The problems tend to start when you get down to the small print," said a UN official. More»

Carnivores rejoice: a new pill makes beef more environment friendly

(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. More»