Videos - Climate in Context

What Is the Greenhouse Effect?

  • Published: November 6th, 2009

It's why global warming is happening, and why scientists are so worried about rising levels of carbon dioxide and other gases generated by agriculture, transportation and industry

Videos - States of Change

Washington: Warming and Wildfires

  • Published: September 2nd, 2009

Wildfires are on the rise in the State of Washington, as they are in much of the American West and climate change looks at least partly responsible.

Videos - States of Change

A Fly Fishing Guide Sees Trouble for Trout

  • Published: August 31st, 2009

Craig Matthews, long-time fly-fishing guide, gives an eyewitness account of the changes he's seen in over thirty-plus years on the rivers around West Yellowstone, Montana.

Videos - States of Change

A River Keeper’s View of Climate Change

  • Published: July 15th, 2009

Gordon Rogers, River Keeper of Georgia's Little Satilla River, shows us the impacts he sees in a precious ecosystem along Georgia's coast.

Videos - States of Change

What We Know For Sure

  • Published: June 1st, 2009

No scientist disputes that carbon dioxide is a greenhouse gas and that it is increasing in the atmosphere. And careful detective work shows that the increase has chemical fingerprints — from us.

Videos - States of Change

Georgia: Coal and Carbon

  • Published: May 19th, 2009

Coal generates carbon dioxide when combusted, which is causing the world to warm. In Georgia, a state that gets over 60 percent of its electricity from coal, some coastal residents are connecting the dots between coal and changes in the local ecology and economy attributed to global warming.

Videos - States of Change

Iowa: Corn and Climate

  • Published: January 28th, 2009

Congress helped bolster the corn ethanol business in Iowa by mandating the Renewable Fuel Standard in 2005. But scientists are concerned about the unexpected consequences of putting more of Iowa's land into corn production.

Videos - States of Change

Montana: Trout and Drought

  • Published: October 31st, 2008

Montana's recreational fishing and agricultural industries depend on cool waters flowing from melting snow high in the mountains throughout the summer. But across Montana, rising temperatures are causing a series of changes.