Rebecca Hersher - NPR News
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Hurricane Ida rapidly gained strength right before it hit Louisiana this weekend. Abnormally hot water in the Gulf of Mexico acted as fuel for the storm. -
The U.N. has released the most comprehensive global climate science report ever. It is unequivocal: Humans must stop burning fossil fuels or suffer catastrophic impacts. -
Scientists say humans must keep global temperatures from increasing more than 1.5 degrees Celsius. The World Meteorological Organization warns that number is looming.
