"Could your driveway be making you sick? Mounting research suggests it could. It's prompting more cities, states and businesses to ban a common pavement sealant linked to higher cancer risks and contaminated soil."

"CROW AGENCY, Mont. — Every few hours trains packed with coal pass through the sagebrush-covered landscape here in southern Montana, some on their way north to Canadian ports for shipment to Japan and South Korea. If the mining company Cloud Peak Energy has its way, many more trains will cross the prairie to far larger proposed export terminals in Washington State."

"When does a nuclear plant become too old? The nuclear industry is wrestling with that question as it tries to determine whether problems at reactors, all designed in the 1960s and 1970s, are middle-aged aches and pains or end-of-life crises."

"Efforts to curb global warming have quietly shifted as greenhouse gases inexorably rise."

"The U.S. Justice Department filed a joint lawsuit with Arkansas on Thursday against oil producer Exxon Mobil Corp over the pipeline spill in March of thousands of barrels of heavy Canadian crude oil in a suburban neighborhood."

"Rising seas and increasingly severe weather are expected to increase the areas of the United States at risk of floods by up to 45 percent by 2100, according to a first-of-its-kind report released by the Federal Emergency Management Agency on Wednesday. These changes could double the number of flood-prone properties covered by the National Flood Insurance Program and drastically increase the costs of floods, the report finds."

"Severe weather cost the nation $110 billion in damages in 2012, the second-costliest in history, according to disaster information released Thursday by the National Oceanic and Atmospheric Administration."

"The Supreme Court ruled today that Texas has no right to Oklahoma's water under a 1980 interstate compact in a case seen as having broad implications in the arid western United States."

"Mayor Michael R. Bloomberg on Thursday proposed major changes to New York City’s building code, saying Hurricane Sandy showed that both commercial and residential properties needed additional safeguards against severe weather."

"Fishing vessels that deploy gill nets snare and drown at least 400,000 seabirds every year, and the actual figure could be considerably higher, according to research published in the June edition of an academic journal devoted to conservation."