Tar Sands Oil Is Killing Our Planet by Robert Redford

Developing the Canadian tar sands will wreak havoc with our climate for decades to come. And the Keystone XL pipeline, which would carry this toxic tar sands fuel from Alberta to Texas, would threaten drinking water supplies in America's heartland.

It's time for millions of us to come together and demand clean power. "Join me in saying No to tar sands oil and Yes to clean energy!" -Robert Redford

Making People Care About Climate Change

Remember climate change? For the first time since 1984, the issue didn't even come up in a presidential debate. But bringing climate change back into our national conversation is as much a communications challenge as it is a scientific one. Scientist Anthony Leiserowitz, director of the Yale Project on Climate Change Communication, joins Bill to describe his efforts to do what even Hurricane Sandy couldn't — galvanize communities over what's arguably the greatest single threat facing humanity. Leiserowitz, who specializes in the psychology of risk perception, knows better than anyone if people are willing to change their behavior to make a difference.

Climate Change: "I told you so..."

The Pacific Adventures of the Climate Crab

The Pacific Adventures of the Climate Crab aims to raise awareness of the science and impacts of El Niño and La Niña and encourage Pacific Islanders to take early action in preparing for these extreme events.

The Wild and Beautiful Bering Sea

This beautiful, wild place, home to one of the most productive ecosystems on the planet is at risk. Unsustainable fishing will continue destroying essential habitat in the Bering Sea Canyons, and taking massive amounts of fish that other animals depend on to survive - unless we act now to protect it.

Get the Coal Energy Facts: Help Us Stop Coal Exports Explained by Alia Shawkat aka Maeby

Multi-billion dollar coal companies like Arch, Ambre, and Peabody want to ship the coal buried under the United States to Asia, releasing disastrous amounts of carbon pollution, just to line their own pockets. This expansion in US coal exports could release more carbon pollution than any other new fossil fuel project in the United States.

Coal exports out of the Pacific Northwest could pose a bigger climate threat than the Keystone XL pipeline. Coal companies are scheming to export over 150 million tons of coal through the region. If we're serious about halting the worst impacts of climate change, we must do something to stop Arch, Ambre, and Peabody's plans, and keep this coal in the ground.

Disappearing Arctic Sea Ice: Melting Polar Ice Cap

"Arctic Sea Ice Max is 5th-Lowest on Record - This animation shows the seasonal change in the extent of the Arctic sea ice between March 1, 2012 and February 28, 2013. The annual cycle starts with the maximum extent reached on March 15, 2012. Every summer the Arctic ice cap melts down to its minimum extent before colder weather builds the ice cover back up.

This new ice generated on an annual basis is called 'first-year' ice and is thinner than the older sea ice. The perennial ice is the portion of the ice cap that spans multiple years and represents its thickest component. On September 13, 2012, the sea ice minimum covered 3.439 million square kilometers, that is down by more than 3.571 million square kilometers from the high of 7.011 million square kilometers measured in 1980. The annual maximum extent for 2013 reached on February 28 reached an extent of 15.09 million square kilometers."

Greenland Ice Melt At 97 Percent, NASA Satellites Show

Greenland's ice sheet is losing some 150 gigatons of ice a year and three satellites have found that 97 percent of Greenland has undergone a thaw never before seen in 33 years of satellite tracking. In other words, the pace of ice melt is increasing.