On a clear day, water vapor can comprise 60 to 70 percent of the greenhouse effect. Next in line, carbon dioxide contributes an additional 25 percent. Some gases trap solar radiation from the sun ...

What Are Greenhouse Gases? Greenhouse gases are a group of compounds that can trap heat in the atmosphere, acting as a ...

the greenhouse effect is bad news. We call the compounds in the atmosphere that trap Earth’s heat, such as carbon dioxide and methane, greenhouse gases. They occur naturally, but human activity ...

Oregon is home to some of the most diverse landscapes in the world. From waves crashing against the rocky coastline to dense ...