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  • VOA标准英语2011--Plastics in Oceans: More Damaging Than Climate Change

    Plastics in Oceans: More Damaging Than Climate Change The United Nations estimates that each one of us uses nearly 140 kilograms of plastic each year. At least 6.4 million metric tons of that plastic has ended up in the oceans. Environmental activist...

  • 纯正英语一分钟-plastic

    Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went...

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