If the whole world decided to work together, what could be the first steps to reverse the effects of global warming/climate change caused by humans? July 9, 2019climatehistoryscoper https://www.quora.com/If-the-whole-world-decided-to-work-together-what-could-be-the-first-steps-to-reverse-the-effects-of-global-warming-climate-change-caused-by-humans