When climate-change skeptics mock the fear about a rise of a "few degrees" in temperature, we should remind them of how it feels to have a 103° fever. A few degrees above normal can mean the difference between life and death, species survival and extinction. And a few actions on our part could make the difference between a healthy planet and one that falls into an environmental tailspin. The time has come for action. The earth's future is in our hands.
Many climate shocks have already become more common: powerful hurricanes, droughts, heat waves and blizzards. Much worse will come unless...
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