外研版必修3Module4學案
they have forecast that over the next hundred years we will create a climate on earth that will be warmer than any so far experienced by the human species. they believe that this rate of change may be unprecedented in the history of our planet and will be so great that many of our ecosystems and wildlife species will fail to adapt.
in recent years, more and more people are paying attention to this problem. but few of them take the measures. we need to stop people from doing it. we should do all that we can to reduce such pollution.