Free Presentations in PowerPoint format

Is Global Warming for Real? 

Why Should We Be Concerned About Global Warming?  

Top Ten Things to Know About Global Warming 

The Greenhouse Effect and Global Warming 

Turning Up the Heat on the Future 

The Greenhouse Effect on Earth

The United Nations and Global Warming

Climate Change

Environmental Science ppts (Step VA Schools, many)  

Ozone Depletion 

Nitrogen Cycle

Global Warming & Water

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

For Kids

On the Trail of the Missing Ozone

The Case of the Warming Planet 

Climate Change at the Exploratorium

Climate Change - EcoKids

Environment Games 

Colin CO2  

For Teachers

Global Warming (Lessons & Links)

Free Online Science Games for Kids

Free Clipart 

Free Templates