Business Green: The US Environmental Protection Agency (EPA) is inching closer to an endangerment finding that will enable it to regulate carbon emissions in the US, after the Office of Management and Budget this week approved a proposal from the Agency that would allow it to regulate carbon emissions as a pollutant under the Clean Air Act. According to reports, the endangerment finding — which would revolutionise the way greenhouse gases are regulated in the US and could open the door for many …