Decline

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Have We Passed Peak Car?

A new analysis suggests in the U.S., it may be true. Here's why you should still be skeptical.

Reuters/Enrique Marcarian.

Could Earth's Population Peak in 2050?

Spanish researchers are making the case that the world will in fact be less crowded in 2100 than it is now.

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Stat of the Day: No One Was Slashed, Stabbed or Shot in New York City Yesterday

Has this happened before? Ever?