Free Presentations in PowerPoint format

Is Global Warming for Real? 

Top Ten Things to Know

The Greenhouse Effect and Global Warming 

The United Nations and Global Warming

Climate Change

The Ozone Layer, Depletion, Hole 

Nitrogen Cycle

Global Warming & Water

See Also: The Carbon Cycle,  The Environment, Alternative Fuels 

For Kids

Global Warming GAMES  for Kids

Flash Presentations Global Warming & the Greenhouse Effect

For Teachers

Lots of Lessons - Global Warming

Free Online Science Games for Kids

Free Clipart