National Geographic
National Geographic: Earth's Changing Climates
In this lesson, students investigate changes that have been documented showing how the Earth's climate has changed in the last 120 years and over larger time spans. They use it to infer possible future climate trends, while learning that...
Other
Climate Gateway: What Is Climate Change?
This ClimateGateway.com site provides information on what climate change is as well as the factors that affect global climate.