Searching for Earth Day activities this April? Thinkfinity offers Earth Day activities, videos and interactive tools about conserving energy, recycling and finding innovative ways to solve environmental challenges. Join Thinkfinity as we celebrate the 29^th anniversary of Earth Day.

Science NetLinks Earth Day Feature

Science NetLinks

Human Footprint Interactive

Xpeditions

Greenhouse Effect Interactive

Xpeditions

EarthPulse Interactive Maps

Xpeditions

Power Up! Learning About Energy Sources

Science NetLinks

Chatting About Books: Celebrating the Earth Podcast

ReadWriteThink

National Geographic Environment Video Library

Xpeditions

• Global Warming 101

• State of Polar Bears

• Global Warming: Antarctica Ice

• A Way Forward: Facing Climate Change

Interviews with Scientists

Carbon Emissions

Mountain Rain

Fossil Fuel Switch

Fuel-Saving Speed

West Nile Weather

Explore and Write About Nature

ReadWriteThink

Creative Climates

Xpeditions

The Arctic and Antarctic Circles

Xpeditions

Human Footprint

Xpeditions

National Geographic Environment Site

Xpeditions

What is Global Warming?

Xpeditions

Preserve Our Planet

Xpeditions

Biomes of the World

Science NetLinks

The Amateur Naturalist

Science NetLinks

The Prairie Builders: Reconstructing America's Lost Grasslands

Science NetLinks

Create a Rainforest Refuge

Science NetLinks

USA Today's Weather Basics

Science NetLinks

Coral Reef Connections

Science NetLinks