Ever wonder who cooked up the idea of digging up all of Canada’s tar sands and piping them across the continent? All of your questions are answered here, in a single, cartoon-tastic slideshow. Next Article IMF says global subsidies to fossil fuels amount to $1.9 trillion a year … and that’s probably an underestimate David Roberts Climate & Energy Grist thanks its sponsors. Become one. Grist thanks its sponsors. Become one.