First, the bad news: Of all the rivers in the contiguous United States, only 6 percent are both in healthy condition and meaningfully safeguarded. The good news is that many more may be just one repair away from thriving.
A new map highlights where conservation money and attention would do the most good as the climate warms, researchers report September 16 in PLOS One. The effort is the most comprehensive to date, assessing the health of the lower 48 states’ rivers and streams.
“We can now point at a map for the...
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