"OTTAWA -- Several hundred Canadian scientists and their supporters held an unprecedented protest march on Tuesday to demonstrate against the government's decision to close down major facilities and fire research staff."

"STUART, Neb. -- Stepping carefully through a 12-foot-deep canyon gouged into the sandy soil of their family ranch by a long-gone storm, Kurt and Laura Meusch ask a Shakespearean question: What's in a name?"

"The first signs of bipartisan support for overhauling the nation's chemical safety law emerged Monday, as three Republicans joined 23 other senators calling for tough restrictions on toxic flame retardants."

"Canada's prime minister, Stephen Harper, faces a widening revolt by the country's leading scientists against sweeping cuts to government research labs and broadly pro-industry policies. The scientists plan to march through Ottawa in white lab coats on Tuesday in the second big protest in a month against the Harper government's science and environmental agenda."

"Long respected by his professional peers around the world, [scientist Michael] Mann became more widely known as one of the targets of the so-called and now discredited 'climategate scandal,' involving hacked emails of several prominent climate scientists. Mann's science and professional conduct (and that of others so targeted) have been repeatedly exonerated by independent professional review."

"WASHINGTON -- When it comes to energy issues, Democrat Sherrod Brown and Republican Josh Mandel agree on two things -- and maybe only two things: First, energy issues and economic issues are inextricably linked. And second, they will probably play an outsized role in Ohio's U.S. Senate race."

"It took Gulf Coast lawmakers more than two years of prodding and negotiating to persuade a divided Congress their communities deserve most of the billions of dollars BP will pay in fines for its role in the 2010 oil spill. Now comes another challenge: figuring out how to spend that money."

"The debate over making post-Fukushima Daichi improvements to American reactors is getting down into the details, and one focus is pressure relief vents."

Is the coal lobby forging petition signatures on a White House web site to stop EPA from regulating toxic coal ash?

"Clashes in northern Peru between police and demonstrators opposing a multi-million dollar gold mining project have left at least three people dead."