"Western Lake Erie could be on the verge of one of its worst algae outbreaks in years."

"Under current laws, the government has little or no information about the health risks posed by most of the 80,000 chemicals on the U.S. market today."

"Pacific oysters in the wild on Washington's coast haven't reproduced in six seasons. Scientists suspect ocean-chemistry changes linked to the fossil-fuel emissions that cause global warming are helping kill these juvenile shellfish. The oceans are becoming more acidic, and that corrosive water is finding its way into Puget Sound."

Residents of the area affected by last week's oil spill in the Kalamazoo River filed a federal class-action lawsuit against pipeline operator Enbridge Inc. on Friday.

"BP  will begin its legal offensive this month to cap its liabilities from the Gulf of Mexico disaster by offering those affected one-off compensation payouts in return for them waiving the right to sue."

"The Coast Guard approved dozens of requests by BP to spread hundreds of thousands of gallons of surface oil dispersants in the Gulf of Mexico despite the Environmental Protection Agency’s directive on May 26 that they should be used only rarely, according to documents and correspondence analyzed by a Congressional subcommittee."

"A House energy panel is concerned that scientists hired to assess the oil spill may be muzzled. The company's research funding is also under scrutiny."

"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."