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The nation turns to the National Academies -- National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council -- ...

Opportunities for research and education funding in all areas of science and engineering.

From the Environmental Protection Agency; explores America's water resources with an emphasis on the quality of our Nation's water and features powerful searching ...

Provides live weather conditions, weather cams, real-time lightning, a personalized forecast center, weather maps, and warnings for locations in the United States.

Learn about the National Wildlife Federation's work to inspire Americans to protect wildlife for our children's future.

U.S. National Park Service - Experience Your America

Given a zip code, provides a simple Yes/No answer to the question "will I need an umbrella today?". Text message service available.

DesertUSA is a comprehensive resource covering the North American deserts, their history, culture and biodiversity.