16,000 scientists sign dire warning to humanity over health of planet

December 6, 2017

(CNN)More than 16,000 scientists from 184 countries have published a second warning to humanity advising that we need to change our wicked ways to help the planet. That letter made headlines 25 years ago, but the world still faces daunting environmental challenges. So environmental scientist William Ripple and his colleagues decided to create a new letter that has also struck a nerve. Since it was published in the journal BioScience…

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Newly discovered nearby planet could support life

December 6, 2017

(CNN)You may want to get used to the name Ross 128 b. The newly discovered exoplanet is the second-closest found to our solar system, only 11 light-years away. And it could support life. The planet is about the same size as Earth, and it may have a similar surface temperature, making it a temperate world that could support life.

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