Experts have warned Australians might one day be unable to play sports outside if temperatures continue to rise.
It’s one of several serious predictions coming out of the latest report from the IPCC(政府间气候变化专门委员会). The report said while actions to reduce climate risks had increased all over the world, much more was required. Human beings risk finally reaching the limit(极限) of their ability to adapt to(适应) climate change.
Report co-author and IPCC vice chair Professor Mark Howden warned Australians could also be coming close to their own physiological limits. “Our bodies can adapt to hot temperatures outside to a certain degree,” Professor Howden said. “But then we can’t do that without some kind of active cooling. If you get very high temperatures, you either have to stop your exercise or you become too hot. If you’re still wanting to be active, you actually have to find some ways of having active cooling in that environment. So we reach a limit to where our adaptive ability can go.” He added Australian workdays might also need a rethink—with choices including a nap(小睡) during the day to avoid the hottest temperatures.
Another key message from the report was the very closely connected fates(命运) of human and natural systems. It said that climate change cannot be controlled, unless badly damaged forests and oceans can be repaired and protected to prevent worse air pollution. 90 percent of Australians want more action on climate change, and as part of the world, people need to take steps to make this situation of climate change become better.
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