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Articles on Lakes

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Aerial view of Lake Powell on the Colorado River along the Arizona-Utah border. AP Photo/John Antczak

Interstate water wars are heating up along with the climate

The Supreme Court recently dealt defeat to Florida in its 20-year legal battle with Georgia over river water. Other interstate water contests loom, but there are no sure winners in these lawsuits.
Some lakes in the Arctic are expanding and others are disappearing as permafrost thaws. This lake north of Inuvik, N.W.T., is expanding as the ice wedges (darker lines leading away from the lake) around this lake melt and the ground subsides. (Philip Marsh)

Collapsing permafrost is transforming Arctic lakes, ponds and streams

Hundreds of thousands of lakes, rivers and streams in the Arctic exist only because of the permafrost that lies beneath them. The warming Arctic threatens to change that.
The muck that’s been accumulating at the bottom of this lake for 20,000 years is like a climate time capsule. Christopher R. Moore

New evidence that an extraterrestrial collision 12,800 years ago triggered an abrupt climate change for Earth

Why did Earth’s climate rapidly cool 12,800 years ago? Evidence is mounting that a comet or asteroid collision is to blame, with new support coming from the bottom of a South Carolina lake.
A dry river bed in south Australia. (Shutterstock)

How drought affects freshwater fish

Freshwater fish are suffering as drought becomes more common and severe. Whether they survive will depend on how governments manage rivers and lakes, and on taking action against climate change.
Spawning sockeye salmon make their way up the Adams River near Chase, B.C. THE CANADIAN PRESS/Jonathan Hayward

Freshwater wildlife face an uncertain future

Populations of freshwater species are in a state of deep decline. But we know why and we can reverse the trend.

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