This story was originally published by Vox.com and is reproduced here as part of the Climate Desk collaboration. If you’re reading this, chances are you care a lot about fighting climate change, and that’s great. The climate emergency threatens all of humanity. And although the world has started to make some progress on it, our global response is still extremely lacking. The trouble is, it can be genuinely hard to figure out how to direct your money wisely if you want to reduce greenhouse gas emissions.