CNN's quiz "The most effective ways to curb climate change might surprise you" based on Project Drawdowns work is a good reference point.https://edition.cnn.com/interactive/2019/04/specials/climate-change-solutions-quiz/?fbclid=IwAR0DmCzL7Syb_c53Wr4amyIhg1MUgdJ8RA61ZkxHoEbGriEYdXovJupMnsQ