We know that creating new lakes with dams is not a good idea climate wise, as emissions of methane are thought to be significant.
Turns out that under current conditions, existing lakes can become significant sources as well – another example of not-so-positive positive feedback in the climate system.
Blooms of harmful algae in the nation’s waters appear to be occurring much more frequently than in the past, increasing suspicions that the warming climate may be exacerbating the problem.
The Environmental Working Group (EWG) published newly collected data on Tuesday reporting nearly 300 large blooms since 2010. Last year alone, 169 were reported. While NOAA issues forecasts for harmful algal blooms in certain areas, the advocacy group called its report the first attempt to track the blooms on a nationwide scale.
The study comes as scientists have predicted proliferation of these blooms as the climate changes, and…
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