It is not the earth that needs to be protected, but we humans. First of all, we need to know that the earth is strong. Robert B. Laughlin, a Nobel Prize-winning physics scientist, says the Earth is stronger and more self-healing than it imagines. Various types of disasters, such as large-scale meteor impacts, are more destructive to the Earth than man-made factors. Secondly, at the current level of human science and technology, also can not protect the earth, imagine, if there is a planet half the size of the earth, will hit the earth at high speed, human beings can protect the earth? Finally, human activities affect not the earth, but humans. Which of the acts of destruction of the earth, such as environmental pollution, overexploitation of resources, and so on, which one does not affect human beings themselves in the end? It was humans who were the last to be hurt. In the final analysis, it is we who need to be protected.
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