"Cleanup of the nation's biggest nuclear mess would take nearly two decades longer than planned under an agreement endorsed Tuesday by the governors of Washington and Oregon."

"The Obama administration is talking with allies and Congress about the possibility of imposing an extreme economic sanction against Iran if it fails to respond to President Obama’s offer to negotiate on its nuclear program: cutting off the country’s imports of gasoline and other refined oil products."

"The federal government will not lend $2 billion to USEC, the sole American-owned uranium enrichment company, the Energy Department said on Tuesday."

Homes are "contaminated with potentially dangerous levels of uranium from the days of the cold war, when hundreds of uranium mines dotted the vast tribal land known as the Navajo Nation."

"Thirty years ago today, an earthen tailings dam near the United Nuclear Corp. Church Rock Uranium mine collapsed, spilling ninety million gallons of liquid radioactive waste and eleven hundred tons of solid mill wastes into the Rio Puerco. The spill contaminated water, land and air at least 50 miles downstream on Navajo Nation land in New Mexico and Arizona."

A Russian company is building the world's first floating nuclear plant.

"Canadian nuclear safety regulators say they have underestimated the seriousness of a design feature at the country's electricity-producing reactors that would cause them to experience dangerous power pulses during a major accident."

"Several proposed uranium mining projects in Wyoming and across the West will be delayed due the U.S. Nuclear Regulatory Commission's recent decision requiring a more thorough site-specific analysis for each project."

Navajo people are fighting the return of uranium mining they say threatens to despoil their lands and health.