Minnesota's Pollution Control Agency is trying to address the impact of dissolved chlorides in Twin Cities lakes -- road salt harming aquatic life. It may require changes in what it means to be a good neighbor in the snowy state.

"Africa's cities are growing at a faster rate than anywhere else in the world, stressing drinking water supplies and sanitation services, says a new UN report released to mark World Water Day 2011."

"A spike in radiation levels in Tokyo tap water spurred new fears about food safety Wednesday as rising black smoke forced another evacuation of workers trying to stabilize Japan's radiation-leaking nuclear plant."

"The millions of sardines that were found floating dead in a Southern California marina this week tested positive for a powerful neurotoxin, researchers said Friday."

"The federal government has agreed to step up its efforts to force freighters sailing on the Great Lakes to begin treating their biologically contaminated ballast water discharges like any other industrial pollutant."

Besides being a keystone of the ocean ecosystem, coral reefs are of huge commercial value. But they are seriously threatened by floods, runoff, rising ocean temperatures and acidity which are all symptoms of our fossil-fuel economy.

"Instead of going straight to the faucet, many Navajos in northeastern Arizona have to drive 40 miles to haul water from a well back to their homes." Now a University of Arizona project may offer some help.