This is a fairly broad question, so I'm open to any level of response. Does anyone have any recommendations on how to leverage software to address climate change issues? I would be happy with links to organisations or causes you trust.

At first sight it seems to be off-topic, but it was worth reading just for the thought process: https://infraculture.org/2019/12/01/what-can-a-building-technologist-do-about-climate-change/