NASA's Plate Tectonics
Learn more about the slow voyage of the continents which has reshaped the face of Earth throughout its history.

Volcano World
Find just about everything you ever wanted to know about Earth's current and past volcanic activity, courtesy of the University of North Dakota.

GHCC Earth Images
How does Earth look from space today? Visit the Global Hydrology and Climate Center to see a variety of satellite images.

Xpeditions
Geography is everywhere, even in the grocery store. Here are geography activities you and your family can do from National Geographic.

Windows to the Universe: Planet Earth
Use this University of Michigan site as a starting point for information and resources about our home planet.

NWS Hydrologic Information Center
Find detailed information at this National Weather Service site about river and streamflow conditions, floods, droughts, soil moisture, snow conditions, and water supply outlooks.

Wetlands
Wetlands provide the habitat for rich communities of mammals, birds, fishes, insects, and plants. Check out these activities from Animal Tracks online created by the National Wildlife Federation.

Weather Glossary
Look up any weather term at this glossary provided by the Weather Channel.

Current Weather Maps
View a variety of detailed weather maps developed at the University of Illinois. Maps include both surface and satellite data.

Interactive Weather Graphics
USA Today provides colorful graphics depicting air pressure, air masses, climate change, and other weather-related topics.

Environmental Protection Agency
Find resources here on a wide range of topics including biodiversity, forests, water, energy, ozone depletion, climate change, and resource use from the EPA.