"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."

"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."

"The June 29 derecho, which caused widespread damage in Washington, D.C. blossomed to full fury in a record hot environment. Could the heat added to the atmosphere from manmade greenhouse gases have provided extra fuel to this explosive storm?

The amount of energy available to this storm was extreme and, wundergound weather historian Chris Burt called the number of all-time heat records set around the time 'especially extraordinary.'

"Lawmakers in North Carolina, which has a long Atlantic Ocean coastline and vast areas of low-lying land, voted on Tuesday to ignore studies predicting a rapid rise in sea level due to climate change and postpone planning for the consequences."

"In an effort to clear up any potential confusion on the subject of mermaids, the National Oceanic and Atmospheric Administration (NOAA) has released a statement confirming that 'no evidence of aquatic humanoids has ever been found.'"

"The State University of New York at Buffalo has rebuffed calls for an investigation of the work of a new institute it founded that is devoted to the study of shale gas drilling, saying it is defending the freedom of faculty members to conduct research."

"Now that he survived his recall election, Wisconsin Gov. Scott Walker is lending his support to an upcoming fundraiser for the Heartland Institute, a climate-denying think-tank."

"When Silent Spring was published in 1962, author Rachel Carson was subjected to vicious personal assaults that had nothing do with the science or the merits of pesticide use. Those attacks find a troubling parallel today in the campaigns against climate scientists who point to evidence of a rapidly warming world."

"For a century, doctors have waged war against bacteria, using antibiotics as their weapons. But that relationship is changing as scientists become more familiar with the 100 trillion microbes that call us home — collectively known as the microbiome."

"The University of Washington has admonished a prominent surgeon who told lawmakers questionable stories about burned babies while testifying in favor of flame retardants."

"State lawmakers ran into a problem this year when recommending a study on rising sea levels and their potential impacts on coastal Virginia. It was not a scientific problem or a financial one. It was linguistic."

"A senior Chinese official demanded on Tuesday that foreign embassies stop issuing air pollution readings, saying it was against the law and diplomatic conventions, in pointed criticism of a closely watched U.S. embassy index."

"YORK RIVER, Virginia -- Dying wetland trees along Virginia's coastline are evidence that rising sea levels threaten nature and humans, scientists say - and show the limits of political action amid climate change scepticism."

Two scientists say BP's aggressive efforts to subpoena e-mails related to their estimate of the oil flow rate during the 2010 Deepwater Horizon Gulf oil spill invade their privacy and threaten the integrity of the scientific deliberative process.