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wildfires

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The thousands of fires burning in the Brazilian Amazon got global attention this week, both in the media and online, where the hashtag #prayforamazonia earned more than 150,000 mentions in one day. But what can satellite data tell us about what is really happening in Brazil’s forests?

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The Fourth National Climate Assessment report, from the U.S. government’s Global Change Research Program, was just released. The report, prepared with the support and approval of 13 federal agencies, and with input from hundreds of government and non-governmental experts, provides an comprehensive look at how climate change will impact the United States. Read a statement by Dan Lashof, U.S. Director, World Resources Institute.

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If your colleague or child does well and you give her or him positive feedback, that’s good.If climate change causes a cascade of impacts that result in additional climate change — which scientists call “positive feedback” — that’s bad, and maybe catastrophic.

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