A major scientific report issued by 13 federal agencies presents the starkest warnings to date of the consequences of climate change for the US, predicting that if significant steps are not taken to rein in global warming, the damage will knock as much as 10% off of the economy by century’s end.

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A major scientific report issued by 13 federal agencies presents the starkest warnings to date of the consequences of climate change for the US, predicting that if significant steps are not taken to rein in global warming, the damage will knock as much as 10% off of the economy by century’s end.