Discusses scientific research to determine if hurricanes were becoming more severe as a result of global warming. At that time (2008), they were unable to identify a solid connection but said it could not be ruled out. Aired Apr. 18,...

Scientist James Lovelock is interviewed about his idea of feeding algal blooms in the ocean, which would then absorb excess carbon dioxide from the air, reducing the impact of global warming. Aired Sep. 28, 2007 [12:29]

Climate change is already affecting U.S. water resources, agriculture, land resources, and biodiversity, according to a new report published this week by the federal government.

Researchers say heat waves are 20 times more likely today than in the 1960s, due to global warming.

In this video, Paul Andersen explains how the global climate is changing as a result of natural phenomenon and human actions. Changes in the solar radiation due to variations in the Earth's tilt and orbit have caused the ice ages....

President Bush announced a set of national goals related to climate change and called for a stop to growth in greenhouse gas emissions by 2025. This episode talks about the goals proposed by the White House, and why some say they don't...

Glaciers in a remote part of Antarctica appear to be speeding up their slide towards the sea. We'll talk with a researcher trying to figure out why.

What can ancient DNA can tell us about the effects of climate change? Learn how researchers analyzing ice cores drilled deep from beneath Greenland have amplified samples of DNA trapped within the ice and found that Greenland may have...

Michael Mann discusses his new book and his journey from computer geek to climate warrior. He also touches on what he calls a well-funded campaign to discredit climate change.

This lesson examines the the environmental consequences from a sociological perspective. It is 2 of 3 in the series titled "Sociological Understanding of the Environment."

This lesson examine the the environmental consequences from a sociological perspective. It is 1 of 3 in the series titled "Sociological Understanding of the Environment."

This video provides a harrowing look from an astronaut's view of what is going on in our world. What we will we do to make our world a differnt place? This video shares what its like to see the Earth from orbit. [4:00]

Continuing with Environmental Science, we'll be taking a look at some of the non-renewable energy sources and their benefits and drawbacks.

Scientists confirmed a West Antarctic ice sheet the size of the Dakotas is melting.

As Antarctica warms, its ice sheets are sliding into the ocean--raising sea levels across the globe.

A two-part video which takes students on a climate adventure. Will the heroes find their way home? Will they save the plankton? [9:37]