Business Green: The US Environmental Protection Agency (EPA) will regulate carbon dioxide emissions from coal-fired power stations, Barack Obama’s climate chief said this week. Carol Browner, special adviser to the president on climate change, said in an interview on Sunday at the Western Governors’ Association meeting in Washington that the EPA is looking at a ruling from a Supreme Court in 2007 that requires the agency to decide whether CO2 emissions are a danger to public health and ” will make an …