Videos Section
Telling the story with moving pictures

Wildfires Out West Watch Video Science Behind the Story

Videos - Extreme Weather

Wildfires Out West

In different parts of the American West, climate influences wildfires in unexpected ways.

What We Know For Sure Watch Video Science Behind the Story

Videos - States of Change

What We Know For Sure

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.