Or Exit Glacier, which has markers way out the parking lot and beyond going back hundreds of years before the Industrial Revolution. The earth is in a constant state of change. If you could end the burning of all fossil fuels yet have an eruption such as Vesuvius, Katmai, Pinatubo or the like, it would dwarf human carbon output, and that isn't even considering all the other gasses spewed by volcanoes both on the land and below the sea.Try stopping volcanoes! 
GW/GCC is nothing more than another way to regulate people, equalize societies, and get money.