Wally Broecker Letter to Tsongas in 1980 etc Poking the climate with a sharp stick First article with “climate change” in 1975 Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pinterest (Opens in new window) Pinterest Click to share on Reddit (Opens in new window) Reddit Click to print (Opens in new window) Print Like Loading...