Thirty four years ago, on this day, April 11, 1989, the flash-in-the-pan UK environment group “Ark” released a report about potential sea level rise that tanked its credibility 1989 Ark Sea-level rise report, “by 2050″… The amount of carbon dioxide in the air was roughly 355.7ppm. As of 2023 it is 420ppm, but check here […]