Scientists dove into the past and found evidence that puts our present crisis into sobering perspective.BY DARREN ORFPUBLISHED: MAY 21, 2024 7:30 AM EDTSAVE ARTICLE https://www.popularmechanics.com/science/environment/a60819842/50000-year-old-block-of-ice/ Peter Dazeley//Getty Images A favorite refrain among the dwindling number of climate deniers is that increases … Continue reading A 50,000-Year-Old Block of Ice Paints the Most Chilling Picture of the Future Ever