Yeah, but investors in coal would be hard to find in a free market as they are not cost effective without government subsidies. Fossil fuel subsidies in 2015 w

Yeah, but investors in coal would be hard to find in a free market as they are not cost effective without government subsidies. Fossil fuel subsidies in 2015 were 6.5% of global GDP. That's quite a lot of money. Coal subsidies were about half of that. http://www.sciencedirect.com/science/article/pii/S0305750X16304867?via%3Dihub http://www.sciencedirect.com/science/article/pii/S0305750X16...