"The Cumberland River having reached its crest was little comfort amid fears that receding floodwaters could reveal more victims of deadly storms that swamped much of middle Tennessee."

Dispersants used on the Gulf oil spill may have toxic effects and harm ecosystems -- raising questions about whether the cure is worse than the disease. Companies refuse to disclose some of the ingredients, saying they are trade secrets.

"National Oceanic & Atmospheric Administration officials last fall warned the Department of Interior, which regulates offshore oil drilling, that it was dramatically underestimating the frequency of offshore oil spills and was dangerously understating the risk and impacts a major spill would have on coastal residents."

Although BP has said it will compensate victims, "lawmakers and Gulf Coast residents began questioning whether the company will take full responsibility for the economic losses stemming from the spill. ... A law passed after the 1989 Exxon Valdez spill requires companies to pay for cleanup costs but no more than $75 million for other damage."

"U.S. officials closed commercial and recreational fishing in a large swathe of waters hit by the growing oil spill in the Gulf of Mexico, the National Oceanic and Atmospheric Administration said on Sunday."

"A stack of lawsuits is piling up against the federal government in response to Interior Secretary Ken Salazar's April 28 decision to approve the Cape Wind project, America's first offshore wind farm."

"Utah State Representative Chris Herrod has gotten a lot of attention since his bill to explore seizing federal land through eminent domain became law last month. Colleagues in other Western legislatures have called seeking tips on replicating his success in their states. And the law was a topic of discussion this week when U.S. Interior Secretary Ken Salazar paid a visit to Salt Lake City."

"The Center for Biological Diversity has formally notified the predator control branch of the U.S. Department of Agriculture, Wildlife Services, that it will file a lawsuit over Wildlife Services' traps, snares, and poisons, which risk injuring or killing endangered jaguars and ocelots in the Southwest."

"The federal government is pressing forward with a policy that could require trees to be stripped from California levees, eliminating what shade and wildlife habitat remain along the state's rivers."