"A new database that compiles thousands of government and industry records on Alberta's oilsands lays out in painstaking detail how the industry is a constant source of low-level pollution to the area's land, air and water, says the scientist who pulled it all together."

"Alberta researchers say gender-bending fish swimming in the province’s southern rivers raise serious questions about whether the water is safe for people to drink."

Bloomberg News is gamely standing by a story in which critics say it inaccurately interprets its own polling data -- to imply that most Americans oppose President Obama's temporary deepwater drilling ban.

"Now that the oil on the surface appears to be dissipating, the notion of a recovery from the spill, repeated by politicians, strikes some here as short-sighted. The gulf had been suffering for decades before the explosion of the Deepwater Horizon rig on April 20."

"US spill chief Thad Allen failed Thursday to reassure desperate fishermen about their Gulf of Mexico oil clean-up jobs, while BP began the legal wrangling in a massive civil trial. As engineers prepared next week's vital operations to permanently kill the capped BP well, Allen met with parish presidents and Louisiana Governor Bobby Jindal in New Orleans to discuss how to safeguard local jobs going forward."

"Partisan disagreements in the Senate will delay passage of legislation responding to the Gulf oil spill until at least September, when Congress returns from its summer recess."

"Forest fires continue to rage around several Russian cities and officials say at least seven people have died, including two firefighters."

EPA made public its latest Toxics Release Inventory, which gives a picture of toxic chemical emissions into the environment from some 21,000 facilities nationwide during 2009, the latest year available. The dataset, which is preliminary, allows local reporters to track toxic threats and trends in their communities and regions.

One of the biggest oil spills in Midwest history seems to have been contained within a 25-mile reach of Michigan's Kalamazoo River. The oil has not reached Morrow Lake and its dam, which makes it unlikely to enter the 80-mile-long Kalamazoo River Superfund site between there and Lake Michigan.