Unfortunately coal- huggers global warming deniers or not. Until...

Unfortunately coal- huggers global warming deniers or not. Until the world can come up with another way of making steel coal is going to be a necessary evil. Solar ,wind turbine , gas , nuclear, what ever cant be used in steel making as coal is an essential piece of the steel making process. So no coal no solar panels no steel wind towers no battery cells no electric cars, building and no every thing else we rely on these days.