Earth has already warmed about 1.8 F (1 C ... an estimated 180,000 species — will be at risk of extinction by 2100. When the climate model's temperature is increased to a 4.9 F (2.7 C) rise ...

Learn about Earth Day founder Gaylord Nelson (1916–2005) and how environmental disasters of his day inspired the creation of Earth Day in 1970. On December 7, 1972, Apollo 17 astronauts captured a now ...

This is the third Mother Earth Day celebrated within the UN Decade on Ecosystem Restoration. Ecosystems support all life on Earth. The healthier our ecosystems are, the healthier the planet - and ...

“On Earth Day, everyone is interested in learning what they can do ... The United Nations predicts that the global population will reach 9.8 billion by 2050 and exceed 11 billion by 2100. Scientists ...