Upcoming climate talks just latest chapter in a long history

News 13 - The upcoming climate summit in Paris is just the latest chapter in the surprisingly long history of grappling with global warming, a history that began with the discovery of the greenhouse effect in the 19th century before the telephone, the radio or Al Gore. And the first government warning that the world was warming came exactly a half century ago.

"We've known just about everything we need to know to do something about this issue for a very long time," said Texas Tech climate scientist Katharine Hayhoe. "We knew there was one simple but terrible solution: Stop. We knew that 50 years ago."

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