anchor: EPA, states, and industry, working together, have made important strides in addressing the adverse impacts of fossil fuel combustion by the electric power industry since the passage of the Clean Air Act in 1970.
positive: Important strides in addressing the negative impacts of fossil fuel combustion by the electric power industry since the passage of the Clean Air Act in 1970, thanks to EPA, states, and industry, working together.
negative: Industry, states, and EPA never managed to work together.