Birth of Planet Earth is a show that tells the twisted tale of Earth’s origins. Our planet formed four and a half billion years ago, and scientists now think that our galaxy is filled with planetary ...
[youtube The first Earth Day, April 22, was held in 1970. U.S. Senator Gaylord Nelson, of Wisconsin, had been concerned for several years about the state of the planet, but after visiting an oil spill ...
See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.
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