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The Cool Down is mainstream America's guide to a cleaner, cooler future, making it easy for people from all walks of life to help themselves while helping the planet.
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Global average sea surface temperatures just hit a record 70F, and the timing has scientists worried
1+ week, 1+ day ago (517+ words) "The number of marine heatwave days globally has more than tripled since the early 1990s." The planet's oceans have crossed a troubling threshold. Daily global average sea surface temperatures reached 70 degrees Fahrenheit (21.1 degrees Celsius), the highest reading on record. Scientists are…...