Exposed: Green policies and cleaner air caused the ‘hottest year ever’ Related links: Shipping emissions study | Hansen attacked by Mann | Hansen on shipping emissions | Schmidt Nature commentary | Sulfur emissions and air quality Share this: Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook More Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to share on Tumblr (Opens in new window) Tumblr Click to share on Reddit (Opens in new window) Reddit