Hacking the planet

Scientists reluctantly consider altering our planet’s climate to head off catastrophe

By Stephen Ornes, 15:02 PM October 18, 2013

Some problems have easy solutions. If we feel sweaty, we’ll head for the shade. If our soup’s too hot, we’ll blow on it. If a room’s too stuffy, we’ll open a window. But what are the options when the planet grows too warm?

That is the problem — and an enormous one — that Earth and its dwellers now face. In recent decades, the planet has begun developing a fever. It’s caused by carbon dioxide and other greenhouse gases polluting the atmosphere. The safest treatment should be to stop polluting, ...

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