"Seven environmental groups filed a lawsuit on Thursday challenging safety rules issued earlier this month for trains carrying oil, arguing the regulations are too weak to protect the public."

"President Barack Obama on Thursday called for greater federal spending on infrastructure in the wake of the deadly Amtrak crash that killed eight people."

"As Duke Energy pleaded guilty Thursday in a North Carolina courtroom to nine criminal violations of the federal Clean Water Act, federal prosecutors recounted examples where time and again the nation's largest electricity company failed to prevent its illegal pollution."

"Paddle-powered activists hit the waters of Elliott Bay in kayaks Thursday to throw an 'unwelcome party' for a massive Shell drilling rig as it reached the Port of Seattle."

"The toxic vapors acted quickly against the Second Platoon of the 811th Ordnance Company, whose soldiers were moving abandoned barrels out of an Iraqi Republican Guard warehouse in 2003. The building, one soldier said, was littered with dead birds."

A federal judge Wednesday rejected Freedom Industries' bankruptcy proposal and ordered the company to clean up the site where its January 2014 chemical spill contaminated Charleston, W.V., drinking water.

"Shell Oil says its offshore oil rigs will arrive shortly on Seattle’s waterfront to prepare for drilling in Alaska, despite a Port of Seattle resolution Tuesday asking it to delay while the Port challenges a city ruling aimed at keeping the rigs out."

"Senate Republicans introduced a bill Wednesday that would overturn the Obama administration’s landmark climate regulations for power plants and make it nearly impossible to rewrite them."