"FLAGSTAFF, Ariz. — Klee Benally, a member of the Navajo tribe, has gone to the mountains just north of here to pray, and he has gone to get arrested. He has chained himself to excavators; he has faced down bulldozers. For 10 years, the soft-spoken activist has fought a ski resort’s expansion plans in the San Francisco Peaks that include clear-cutting 74 acres of forest and piping treated sewage effluent onto a mountain to make snow."

"BROOKLYN, N.Y. -- With each steady stroke, John Lipscomb inched the canoe deeper into an infamous urban waterway. The water surrounding the boat grew increasingly murky; the sulphuric stench more offensive."

The Army Corpts of Engineers changed the operating schedule for the Clearwater Dam on the Black River in Missouri in the 1990s in response to requests by Missouri farmers. On October 3 Arkansas is going to the U.S. Supreme Court arguing that the Corps action has damaged the 23,000-acre Black River Wildlife Management Area 115 miles downstream. What's more, the state is arguing that the Corps should compensate it under the "takings clause," a favorite conservative legal weapon.

"MEXICO CITY -- Water-rights activists on Tuesday questioned the theory of Mexican state prosecutors that the killing of a state legislator-elect this month was orchestrated by his designated substitute."

25 Senators are asking the White House to spend more money on dredging harbors and channels -- a special problem in the Great Lakes, where near-record low water levels caused by drought and possibly climate change are costing shippers money.

"Pakistan, Thailand, the Philippines, Iran, and China are among the top 50 nations whose food security may be threatened by the effects that the rise of manmade carbon-dioxide (CO2) gas emissions are already starting to have on fish and shellfish, according to a new report by Oceana, an international ocean conservation organization."

"The drought of 2012, which continues to spread westward, is making its mark on the national consciousness in many ways. Rising food prices. Interrupted livelihoods. Fields of stunted, desiccated crops. All of this dryness has resonance in our video culture. Just go to YouTube and look at the proliferation of public service announcements on water conservation."

"Injection wells used to dispose of the nation's most toxic waste are showing increasing signs of stress as regulatory oversight falls short and scientific assumptions prove flawed."