HEATKEYS

National Geographic Environment Home Page.

The Natural Resources Defense Council works to protect wildlife and wild places and to ensure a healthy environment for all life on earth.

Groundbreaking developments in science, space, technology, health, and the environment

All the latest liberal politics and progressive issues and views, and in-depth profiles of Democratic leaders and leadership, both longtime and emerging, within our country.

ThinkQuest is an international competition where student teams engage in collaborative, project-based learning to create educational websites. The winning entries form the ThinkQuest online library.

Explore the Climate Hot Map to see evidence of climate change including heat waves, sea-level rise, flooding, melting glaciers, earlier spring arrival, coral reef bleaching, and the spread of disease. Learn about practical solutions to curb global wa...

The Union of Concerned Scientists is the leading science-based nonprofit working for a healthy environment and a safer world through a combination of independent scientific research and citizen action.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.