UN freakout over 400 ppm CO2: World in ‘new danger zone’ Meet the new danger zone (400 ppm); not too different from the old danger zone (399 ppm). Read more at The Times (Zaire). Share this: Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook More Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Share on Tumblr (Opens in new window) Tumblr Share on Reddit (Opens in new window) Reddit
