For Teachers

Green at Work

The Three R's of Human Responsibility - Reduce, Reuse, Recycle (several)

Human Activity and the Earth (several) 

Recycling - Math lesson plan

Every Day is Earth Day

Earth Day Mini-Units

See Also: Acid Rain, Pollution

For Kids

Interactive Science Games & Activities for Kids

Resources

Free Presentations in PowerPoint format for K-12 Science 

Free iPad Apps for Kids

Free Clip Art