Faceless on Facebook, a shadowy but aggressive anti-environmental propaganda group called the Institute for Energy Research turns out, documents reveal, to be founded and funded by oil billionaire Charles Koch. It's mission: preserve tax breaks for big oil.

"The cloud of insecticide that drifted from a neighbour's corn field onto the asparagus on Andrew and Melissa Dunham's central Iowa farm cast a shadow over their organic vegetable business."

"BP's 2010 oil spill in the Gulf of Mexico disrupted business all along the coastline. Through the end of July, the oil giant paid more than $13 billion to compensate people, businesses and communities affected. The company is disputing some of those claims in court battles that could drag on for years."

"LOGAN, W.Va. — For 51 years he’d lived in the same hollow and for two decades he’d performed the same job, mining coal from the underground seams of southern West Virginia. Then, on June 30, Michael Estep was jobless. His mine shut down, and its operator said “market conditions” made coal production unviable.

"Tyson Foods could lose around $500 million in government contracts if found guilty in and ongoing criminal probe by the Environmental Protection Agency over the recent release of toxic chemicals at a plant in Monett, Mo."

"An MIT climate change study released Sunday indicates the cost of slashing coal-fired carbon emissions would be offset by reduced spending on public health. The EPA-funded study examined climate change policies similar to those proposed by the Obama administration in June."

"An activist’s controversial crusade against genetically modified crops."

"The current $44 million cleanup of the Buffalo River soon will allow residents to use the waterway in ways most have long thought impossible"