Earth and Moon Viewer
<http://www.fourmilab.ch/earthview/vplanet.html>
Click any link from the opening paragraphs, then click "update" for a live
picture.

Celebrate Earth Day Everyday
<http://www.kidsdomain.com/holiday/earthday/>
Adopt a rainforest animal, learn the history of Earth Day, play online
games, sing earth songs, and more. (K-8)

Environmental News Network
<http://www.enn.com/>
This site offers timely environmental news, live chats, interactive quizzes,
daily feature stories, forums for debate, audio, video, and more. (4-12)

Wilderness Society: Earth Day 2003
<http://earthday.wilderness.org/>
Don't miss the teacher's lounge for K-12 classroom activity ideas.

Family Education: Earth Day
<http://www.familyeducation.com/topic/front/0,1156,1-5882,00.html?ssb>
Provides weekly conservation tips, family activities and educational
articles. (All ages)

Earth Day Groceries Project
<http://www.earthdaybags.org/>
This site is one of the oldest and largest educational projects on the
Internet and is currently celebrating 10 years online. The annual project
promotes environmental awareness in schools and the community. Click "Get
Started" and then click "4 Simple Steps" to begin. (K-12)

Trash Matcher
<http://www.kid-at-art.com/htdoc/matchtmp.html>
Click on any type of waste materials listed to quickly find the
art/recycling activities that call for them.

Internet Consumer Recycling Guide
<http://www.obviously.com/recycle/>
The goal of this site is to help make recycling so easy and automatic that
it blends into the flow of everyday life.

Earth Day Webquest
<http://www.amug.org/~sparky/webquest/>
Includes an Internet scavenger hunt.  (Grades 3-8)