7 Billion People and Counting

Can the planet handle more than seven billion humans?

Human Population Reaches 7 Billion--How Did This Happen and Can It Go On?

A mere 12 years after surmounting six billion, the world's population will reach seven billion, according to the U.N. But that rate seems to be slowing


"Proofiness" Inherent in Population Milestones Such as "7 Billionth Person"

There's no way that anyone could pinpoint which baby became the seven billionth person living on Earth. The uncertainties in measurement are simply too huge


How to Double Global Food Production by 2050 and Reduce Environmental Damage

Five steps, reflected in the maps below, could be taken to help feed the large population predicted for 2050 as well as reduce the sizeable harm agriculture imposes


How Many People Can Earth Hold? Well...

The Rockefeller University's Joel Cohen noted at the annual meeting of the American Association for the Advancement of Science that the question of Earth's human-carrying capacity depends on how we're being carried. Steve Mirsky reports


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