Nation There’s a 50-50 chance Earth will reach critical climate change mark within 5 years, report says May 10, 2022May 11, 2022Doyle Rice, USA TODAYComments Off on There’s a 50-50 chance Earth will reach critical climate change mark within 5 years, report says There's a 48% chance the globe will reach a yearly average of 1.5 degrees Celsius above pre-industrial levels thanks to climate change, a report says.