UK mag on 400 ppm CO2: World ‘headed for disaster’ Good thing 350.org will start a new effort next month to reduce CO2 levels back down to 350. Read more at Energy & Environmental Management. 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