"InsideClimate News reporter Lisa Song was threatened with arrest on Wednesday after she entered the command center for the cleanup operation in Mayflower, Ark., where a major oil pipeline spill occurred on Friday."

Rumors that the conservative billionaire Koch brothers could be poised to buy the Tribune Company raise questions about how that might affect Tribune news outlets' coverage of environment and energy issues, in which the Kochs have a substantial stake.

"Rumors of Scripps begone -- geophysicist Marcia McNutt, who stepped down as head of the U.S. Geological Survey (USGS) in February, is returning to Washington, D.C., as the new editor-in-chief of Science. McNutt will take over the editorship on 1 June from Bruce Alberts, who announced his retirement last year."

"Wide-ranging investigation, which will look into six different federal departments, is to review incidents in which the media was thwarted when trying to speak to Canadian government scientists about their work."

"Most city governments on the mainland withheld vital information on pollution from the public last year, with many scaling back their disclosure to protect polluters as economic growth slowed, two major environmental organisations said in a study released in Beijing yesterday."

The story of hexavalent chromium, a carcinogen, in drinking water is not over, even though Erin Brockovich's legal victory was vaunted in a film 13 years ago. Groundwater near Hinkley, Calif., is still polluted. The story of how industry clout has kept EPA delaying regulation of chromium in drinking water is a tale of the chemical industry's ability to manipulate regulation by sowing doubt. But recent highly dramatized stories on chrome-6 in drinking water may not have helped much, to the extent that they downplayed natural background levels, the importance of dose, and the statistical problems in identifying cancer clusters. The whole saga raises key issues about public relations, lobbying, regulatory politics, the legal system, environmental journalism, and the protection of public health.

"CHEYENNE, Wyo. -- A judge in Casper has sided with the state of Wyoming and ruled against environmentalists who sought to obtain lists of the ingredients that go into hydraulic fracturing fluids."

"A Washington County judge [Wednesday] morning ordered unsealed a court-approved settlement between Marcellus Shale development companies and a family that claimed the drilling operations damaged their health."

"SACRAMENTO, Calif. -- An undercover video that showed California cows struggling to stand as they were prodded to slaughter by forklifts led to the largest meat recall in U.S. history. In Vermont, a video of veal calves skinned alive and tossed like sacks of potatoes ended with the plant's closure and criminal convictions."

"Now in a pushback led by the meat and poultry industries, state legislators across the country are introducing laws making it harder for animal welfare advocates to investigate cruelty and food safety cases.

"Makers of the specialty cocktails used to crack open the Earth and set loose gobs of oil and gas are sparring once again on behalf of their corner of the energy industry."

"LOS ANGELES -- The company that runs the troubled San Onofre nuclear power plant sparred with environmental activists Friday over the details of a once-confidential report that shows industry engineers were aware of problems with steam quality inside equipment that later malfunctioned."

"When China's environment ministry told attorney Dong Zhengwei he couldn't have access to two-year old data about soil pollution because it was a 'state secret', it added to mounting public outrage over the worsening environment."

"Canada's Harper Administration is allegedly restricting what environmental information government scientists can share with journalists, according to academics and media watchdogs. Host Steve Curwood learns more from Tyler Sommers, coordinator of Democracy Watch."

"At 5pm on Friday afternoon, The New York Times posted the following announcement: 'The Times is discontinuing the Green blog, which was created to track environmental and energy news and to foster lively discussion of developments in both areas. This change will allow us to direct production resources to other online projects. But we will forge ahead with our aggressive reporting on environmental and energy topics, including climate change, land use, threatened ecosystems, government policy, the fossil fuel industries, the growing renewables sector and consumer choices.'"

"A team of state scientists has outlined serious concerns about the damage South Carolina will suffer from climate change – threats that include invading eels, dying salt marshes, flooded homes and increased diseases in the state’s wildlife."