Floods suggest national security threat from climate change

The Missouri River floodwater surging on to the air base housing the U.S. military's Strategic Command overwhelmed round-the-clock sandbagging by airmen and others. They had to scramble to save sensitive equipment, munitions ...

Pollution muddies Rio 2016 waters

Waters polluted by sewage off the coast of Rio remain a concern for organisers of the 2016 Olympics, but the International Olympic Committee insisted Friday that the sea will be safe for competition.

As waters clear, scientists seek to end a muddy debate

Geologists have long thought muds will only settle when waters are quiet, but new research by Indiana University Bloomington and Massachusetts Institute of Technology geologists shows muds will accumulate even when currents ...

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