"The earth is performing an enormous disposal service for the human race. About half of the carbon we are dumping into the atmosphere does not stay there and is instead taken up by the oceans and land. Were this not the case, scientists say, the earth would probably be warming far more rapidly. One of the biggest questions in climate science is: How long will that disposal service last?"

"Richard Muller, a cantankerous but creative physicist at the University of California, Berkeley, who once derided climate change research, then dove in with his own reconstruction of terrestrial temperature changes and confirmed substantial warming, has now concluded that recent warming is 'almost entirely' human caused."

"Last week the University of Texas provost announced he would re-examine a report by a UT professor that said fracking was safe for groundwater after the revelation that the professor pocketed hundreds of thousands of dollars from a Texas natural gas developer. It's the latest fusillade in the ongoing battle over the basic facts of fracking in America."

The University of Texas says it will commission and independent review of a fracking impact study.

"Secret files reveal the German maker of thalidomide ignored and covered up repeated warnings that its drug could damage unborn babies."

For years, controversy has been raging over what little 'science' there is on questions related to the environmental and health impacts of the hydraulic fracturing boom. The scientific controversies may be a proxy for the conflict over the gas-extraction method itself. Billions of dollars are at stake, the debate is getting ever more intense, and its intensity challenges the objectivity of scientists, government regulators, and journalists.

"The League of Conservation Voters will launch a $1.5 million campaign Tuesday targeting five House Republicans who question the connection between human activity and climate change, in an effort to test whether the issue can sway voters."

"WASHINGTON -- A wide-ranging surveillance operation by the Food and Drug Administration against a group of its own scientists used an enemies list of sorts as it secretly captured thousands of e-mails that the disgruntled scientists sent privately to members of Congress, lawyers, labor officials, journalists and even President Obama, previously undisclosed records show."

"A conservative group that has used public records requests in an attempt to publicize emails written by climate scientists has turned its attention to reporters who cover the environment."

"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.'"