Biologists think gulls are eating more juvenile salmon than they thought, and fish advocates are proposing to kill problem gulls. But opponents say dam modification is what's needed to protect salmon.
Reports say three of those arrested were involved in getting the mining project licensed, and two were consultants with a company that certified the dam for safety.
Chinese companies are building infrastructure and dams along the vast river that runs through five Southeast Asian countries before emptying into the South China Sea.
Hundreds of millions of beavers used to populate the West but were hunted to near extinction. Turns out, beavers are critical to healthy water ecosystems, so now there are efforts to bring them back.
A report by the United Nations Environmental Programme offers recommendations to stop the failure of dams holding mine waste. Will governments and industry leaders sign on?
Thousands are being displaced by new dam construction. "I cannot leave my ancestors here," says a woman whose village will be submerged by the dam. "If I abandon them, I won't know who I am."
RENO, Nev. (AP) — A national dam safety database indicates that about one in seven Nevada dams that could cause deaths if they fail lack emergency plans.
When it comes to dam safety, human eyes are still one of the best tools to recognize problems — so in some areas, workers live in remote locations to watch over the water supply.
