A simple laser beam could disrupt aliens' observations of Earth, making it look like there's nobody home on the third rock from the sun, a new study suggests.
China’s greenhouse gas emissions are on a downward trajectory, but its emissions may not have fallen quite as much over the past two years as the Chinese government and the International Energy Agency have suggested.
Despite their diminutive appearance, scientists discovered that these mucky coastal ecosystems store huge amounts of carbon, helping to slow global warming.
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