Isn't a large part of the problem that you can make gains in one category by harming another? So to make mining more climate friendly, use kids in the Congo who do not require any gasoline? Or do it all with biodiesel so that emissions are lowered by CO2 reuptake by the plants, but the rainforest is bulldozed?

Yes, they conflict, so you want to reward companies that effectively manage those conflicts, not casually trade one issue for another.