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As a heat wave rolls across U.S., scientists predict more to come

LA Times: Climate scientists have this to say about the record-breaking heat wave rippling across the country: Get used to it. This week's spike toward triple-digit temperatures is unusual, they say. But as Earth gets warmer and greenhouse gases build, highs will keep getting higher. "There have always been heat spells,' said Glen MacDonald, the director of the UCLA Institute of Environment and Sustainability, in an interview with the Los Angeles Times. "That's just the climate system. But ... if you're...