"As Earth Day marks its 40th birthday, three-fifths of Americans consider themselves either active in or sympathetic to the environmental movement, a new Gallup poll shows.

Although the percentage of those favoring the green movement has declined about 10 percent since Gallup first measured it in 2000, it "remains high" at 61 percent, Gallup said."

Noelle Straub reports for Greenwire April 22, 2010. [2]