"The California Environmental Protection Agency has released a statewide list of census tracts most burdened by pollution, providing a first-of-its-kind ranking certain to pressure regulators to clean up neighborhoods with long-standing health risks."
"Baltimore has joined with other major U.S. cities in defending the federal government's authority to impose a 'pollution diet' on the Chesapeake Bay."
"Nestled into a seaside forest on the University of British Columbia's lands, amid a carpet of sword ferns and salal, sits a gleaming industrial facility that's been hailed as a significant step toward a carbon-neutral future for B.C., Canada and even the world."
"WEST, Texas -- Although the cause of the deadly blast at West Fertilizer Co. remains a mystery, a federal agency on Tuesday said the tragedy was preventable, citing shortcomings in existing regulations and standards at all levels of government."
"The Cowboy and Indian Alliance met Tuesday morning in front of the Capital to kick off a five-day protest against the proposed expansion of the Keystone XL Pipeline."
"A few casual words and the early release of some scientific data have cost the San Antonio region much-needed state funds to battle its growing air pollution problem. The misstep, which appears to have been unintentional, highlights the sensitivity of studying oil and gas pollution in business-friendly Texas."
"The Oregon Department of Transportation, the state’s rail safety overseer, says it will no longer ask railroads for reports detailing where crude oil moves through the state after The Oregonian successfully sought to have them made public."
"None of the tank cars currently in service carrying Bakken crude oil is adequate for carrying that product, a rail industry representative testified Tuesday, but until new federal regulations are completed, the use of inadequate cars will continue."
"Environmental groups are marking the 44th Earth Day on Tuesday with an assault on the Keystone XL pipeline, greenhouse gas emissions and other issues related to climate change."
