The planet's present day greenhouse scourge, carbon dioxide, may have played a vital role in helping ancient Earth to escape from complete glaciation, say scientists in a paper published online today.

Organized on the initiative of Sen. Gaylord Nelson of Wisconsin in 1970 or 45 years ago, countries of the world have since united to celebrate Earth Day, as a way of expressing their commitment and ...

The growing problem of plastic pollution has been the focus of this year's Earth Day. Since Earth Day began on 22 April 1970, the environmental movement has grown, spreading its concerns about the ...