News Climate Heat waves stunt grassland growth One hot year can create a scenario that stifles prairie plants even after the heat wave By Sid Perkins September 17, 2008 at 12:30 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print An abnormally hot year can significantly suppress the amount of atmospheric carbon dioxide that grasslands can absorb, new experiments suggest. And the effect can linger for months after temperatures return to normal, the researchers report in the Sept.