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The previous climate change of the Earth was distinct from the climate change we are experiencing today in terms of its speed. |
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Today, we are witnessing a rapid and enormous climate change totally different from the previous climate change of the Earth. |
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The climate change that we are experiencing today is totally different in terms of its magnitude from any other climate change the Earth has experienced. |
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The climate change we are experiencing today differs from the natural climate changes that the Earth experienced previously in both its rate and magnitude. |
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The climate change which we are experiencing nowadays is very different from the natural climate changes that previously occurred on the Earth. |