colors
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Fall colors arrive later? Warming studied as factor
AppId is over the quota AppId is over the quota PORTLAND, Maine?— Clocks may not be the only thing falling back: That signature autumn change in leaf colors may be drifting further down the calendar. Scientists don’t quite know if global warming is changing the signs of fall like it already has with an earlier-arriving [...]
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Fall colors arrive later? Warming studied as factor
AppId is over the quota AppId is over the quota PORTLAND, Maine?— Clocks may not be the only thing falling back: That signature autumn change in leaf colors may be drifting further down the calendar. Scientists don’t quite know if global warming is changing the signs of fall like it already has with an earlier-arriving [...]