Learn which animals are on the endangered species list and gain access to the US Environmental hotline and related organizations.

Explanations of Earth Day accompanied by events and projects, newsletter, and links.

Access an array of links to environmental and wildlife societies and organizations.

Sierra Club outlines this years most pressing environmental issues including air pollution, energy solutions and wildlands.

Contains over three dozen links to general and time-sensitive Earth Day materials.

Conservative perspective of Earth Day features press releases, research papers and a history.

Contains links to kids-oriented Earth Day materials, plus related greeting cards available for sending to loved ones.

Discover the origins of Earth Day and its philosophy from John McConnell, founder of Earth Day, and become an Earth Trustee. Plus links.

Check out over a dozen links to environmental and Earth Day-related resources and organizations.

Find links to resources containing relevant Earth Day information, as well as related greeting cards.

Find links to papers pertaining to the holiday and its significance, plus related educational resources.

Answers these two questions, and provides a link to more in-depth information pertaining to the holiday's origins and significance.