In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the Earth’s cli

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问题 In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the Earth’s climate—something previously seen as beyond our control. They claim that in the last 50 years, gases pumped into the Earth’s atmosphere by the factories and vehicles have been speeding up the process of global warming and affecting our climate. Looking ahead, scientists believe that global warming could be one of the biggest environmental problems facing the 21st century.

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答案在过去几十年,科学家们已经达成共识,人类正在使地球气候发生变化——一种以前被我们视为无法控制的事情。他们称,在过去50年里,工厂和车辆排放的气体进入地球大气层,已经加快全球变暖的进程并影响着我们的气候。展望未来,科学家们认为,全球变暖可能是21世纪最大的环境问题之一。

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