Earth Day, was founded by US politician Gaylord Nelson as an environmental teach-in in the late 1960s, is celebrated in many countries on April 22.

www.epa.gov -> We’re having a photo contest! We invited everyone to show EPA’s mission to protect human health and the environment. Entries were due by March 24. We will announce the winners on Earth Day April 22.

You can view the 2008 finalists below:

• EPA Earth Day 2008 Photo Finalists: Enjoying the Environment
• EPA Earth Day 2008 Photo Finalists: Protecting the Environment
• EPA Earth Day 2008 Photo Finalists: Nature and Wildlife