Study participants were exposed to moderately high carbon dioxide levels in other tests, which usually increases the breathing rate and depth. (ahealthblog.com)
Whether they could survive both a sustained rise in temperatures and the increasing acidification of the oceans that goes with higher carbon dioxide levels is another matter. (climatenewsnetwork.net)
The results show that under high carbon dioxide levels, the bugs ate 88 per cent more leaf material than under current levels. (carbonbrief.org)