"Use renewables" is the naive answer here. It's going to take decades to replace the world's energy infrastructure with renewables at a natural pace. Trying to

"Use renewables" is the naive answer here. It's going to take decades to replace the world's energy infrastructure with renewables at a natural pace. Trying to do so more quickly would waste a lot of energy and that would also release more carbon. To stop climate change, we'd have to make larger sacrifices than that.