Climate Crisis | Five Facts | Bigger Than Five July 22, 2019 / activist360 / Leave a comment 2018 was the fourth warmest year on record. According to the Intergovernmental Panel on Climate Change, if we want to prevent the world from warming more than 1.5℃ by 2030, global greenhouse gas emissions would need to fall by 45% from 2010 levels. What’s at stake if we don’t act now?