With this month's tornado tally already up to about 600, April 2011 has hit the record books as the busiest calendar month for twisters since the beginning of modern record keeping in 1950, even though May and June are usually the most active months for tornadoes. Full story
While public opinion on climate change might be polarized, it's a stark contrast to the scientific community's unified stance regarding the warming of our planet. The latest research finds public understanding of the issue falls along political party lines, with Republicans most often saying Earth's Full story
The Obama administration and environmental interests have found themselves on opposite sides of a key Supreme Court case over who can force power plants to cut their emissions. Full story
Although the planet is warming overall, events of extreme cold are still likely to persist on each continent for the next century, researchers say. Full story
Whether people accept manmade global warming as real may depend on the weather outside that particular day, a new study finds. Full story
Voting has been temporarily postponed in the Senate on proposals to stop, delay or pare back the Environmental Protection Agency's regulation of greenhouse gases linked to climate change problems. Full story
The Washignton Post's Ezra Klein explain the political pressures that would cause Republican Congressman Fred Upton would flip flop on his position on global warming and write a global warming denying Op-Ed with an energy company lobbyist.
Conservation biologist Reese Halter, the author of "Wild Weather: The Truth About Global Warming" discusses the relationship between extreme weather events and global warming.
Psycho talk: Glenn Beck uses the Metrodome's roof collapse to mock the idea of global warming. Ed's debunks his crazy position.
Rep. Paul Brown, R-Ga., says the move by the CDC to get Americans to eat healthy is “socialism of the highest order.” Hardball’s Chris Matthews reports.
View images of Shishmaref, Alaska, and its residents, who could become the first U.S. refugees of global warming.
Click here to view our "What global warming?" cartoon slideshow.
NBC weather forecaster Al Roker gives a weather report from the White House Wednesday Oct. 1, 1997, prior to a meeting between President Clinton and weather forecasters from across the nation to discuss global warming. The White House, trying to build support for strict greenhouse emission restricti
