Climate Change

Science discovered the "greenhouse effect" back in the 1820s. Republicans and oil companies only started denying it very recently.

"While April was an uneventful month temperature-wise in the U.S., with most areas experiencing near-average temperatures, the month was the second-warmest April on record globally, according to new NASA data."

"Norway wants to let oil and gas companies drill in Arctic seas that were frozen as recently as the 1980s even though some climate experts say it is too early to trust global warming to keep the ice away."

A wind-driven wildfire in tinder-dry Southern California that prompted calls for the evacuation of more than 20,000 homes may be close to being controlled.

"WASHINGTON — The accelerating rate of climate change poses a severe risk to national security and acts as a catalyst for global political conflict, a report published Tuesday by a leading government-funded military research organization concluded."

"Instead of a one-on-one faceoff, 'Last Week Tonight' hosts one that is 97 against 3."

"Last week was Wildfire Awareness Week in California, a time when firefighters and forest managers travel up and down the state talking about fire risk and public safety. Usually that would mean wildfire conditions were just picking up, with higher temperatures drying out fuels nurtured by winter rain and snowpack."

"Smog could worsen across the United States in the coming decades as climate change boosts summer temperatures and makes ozone levels more difficult to control, a new study says."

"TANGIER ISLAND, Va. — As in many places, conversations on this remote island in the Chesapeake Bay tend to steer toward the weather. But here it's not just small talk."

"The president, who [made] the announcement during a visit to Wal-Mart in Mountain View, California, [also highlighted] commitments by corporations to lift solar generation at their facilities. Wal-Mart, Apple Inc, Yahoo Inc, Google Inc and Ikea were among the companies making such commitments."