The late Sen. Gaylord Nelson (D) of Wisconsin organized the first Earth Day in 1970 after the devastating oil spill off the coast of Santa Barbara, Calif. The event started as an environmental teach-in, with some 20 million Americans taking part on college campuses across the United States. Today, 500 million people in 175 countries observe Earth Day on April 22 as a way to celebrate the natural world and raise awareness of the environment. How much do humans affect the earth? Click below to find out.
America's 450 launch-ready land-based nuclear-armed ballistic missiles are the opposite of a deterrent to attack. In fact, their very deployment has the potential to launch World War III and precipitate human extinction – as a result of a false alarm. We’re not exaggerating.
Winter solstice occurred Thursday at 12:30 a.m., Eastern time. Throughout the Northern Hemisphere winter solstice celebrations help beat back winter's gloom and usher in longer days.