Six Decades of a Warming Earth by NASA

Neil Young About the Alberta Pipelines and Tarsands

Jian Ghomeshi sits down with the outspoken Canadian rocker and gets an earful on Alberta pipelines.

Rio de Janeiro, Brazil: Rio's Bay Too Dirty for Olympics

Brazil is facing unwelcome attention because of water pollution in Rio de Janeiro. Olympic sailors say the city's bay is simply too dirty for sport. Al Jazeera's Lucia Newman reports from .

The Polar Vortex Explained in 2 Minutes by Dr. John Holdren

President Obama's Science and Technology Advisor, Dr. John Holdren, explains the polar vortex in 2 minutes—and why climate change makes extreme weather more likely going forward.

Virunga: The Quest to Protect Africa's Oldest National Park

Virunga captures the dramatic landscape and wondrous species of Virunga National Park. But all is not as it seems, as the global thirst for oil means that the future of this incredible place is at risk.

Directed by Stephen Poliakoff and starring Anna Friel, Virunga takes the viewer to the otherworldly beauty of this special place and challenges us to draw the line and help protect it.

Energy Industry Runs Roughshod over North Dakota Oil Disaster

Energy industry runs roughshod over ND, Rachel Maddow reports on recent oil disasters in North Dakota and how accountability is sacrificed for fear of discouraging energy industry investment.

How Global Warming Works in 52 Seconds