|
As temperatures in Pennsylvania are dropping, it is difficult to imagine that world-wide temperatures are rising.

Research has shown that increased human usage of fossil fuels (such as coal and oil) is changing the composition of the Earth's atmosphere. This is having a warming effect on the global climate.
Pennsylvania Environment and Ecology Standard |
|
Activities:
EPA Global Warming Kid's Site: Climate Animations
Air Pollution: Classroom Activities
Migrating Climates

|