The Cool Down on MSN11m
Scientist uncovers surprising impact of shutting down US coal plants: 'These particles can make people sick'Many coal plants in the U.S. are being retired, but they have already done irreparable damage to public health.
When the Leonids fly across the sky, stargazers know that the comet 55P/Tempel-Tuttle is nearby. Every year, the iconic ...
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