The General James M. Gavin Power Plant dominates the skyline of what was once the small town of Cheshire, Ohio. Built in the 1970s, the coal-fired power plant is one of the largest in the US and has been one of its biggest CO2 emitters. While it brought jobs to the area, it also brought thick blue plume clouds, which were caused by sulphur trioxide and sulphuric acid emissions.

Locals complained of blistered mouths, breathing difficulties and a burning feeling in their eyes and throats. The plant owners AEP were also sued for causing acid rain in other states and the EPA accused the plant of violating the Clean Air Act. In response, Gavin Power installed pollution control systems – and it made a very unusual deal with Cheshire residents...

Off-limits: 13 toxic towns you're BANNED from entering