Human-wildlife overlap is projected to increase across more than half of all lands around the globe by 2070. The main driver of these changes is human population growth. This is the central finding of ...

Fifty years ago overpopulation was a major source of concern around the world. Humanity was growing so rapidly, warned experts, that we’d soon outstrip the carrying capacity of the planet, run out of ...

Dear EarthTalk: The world added its seven-billionth person in 2011, but the news came and went quickly while Charlie Sheen news kept on and on. But isn’t population growth the “elephant in the room” ...

Sign up for the On Point newsletter here. It took 300,000 years for the human population to grow to one billion souls. We hit that milestone in the early 1800s. And ...

Canadian scientist William Rees believes that our insatiable appetite for natural resources will eventually kill our ability to survive. By eliminating the very environment we rely on, our ...

Research shows that our rapidly growing human population increases pressure on society and the environment, making it harder to address problems ranging from public health concerns to climate ...

The human population may have lingered at about 1,300 for more than 100,000 years, and that population bottleneck could have fueled the divergence between modern humans, Neanderthals and Denisovans.

Global fertility rates have been falling for decades and are reaching historically low levels. While the human population now exceeds 8 billion and may top 10 billion by 2050, the momentum of growth ...

In 1994, widespread concern over population growth brought world leaders together at the International Conference on Population and Development (ICPD), held in Cairo, Egypt, in 1994. Today, however, ...

The U.N. predicts the world population will reach eight billion by November 15. Grant Faint via Getty Images The population of humans on Earth is expected to reach eight billion by November 15, ...

A novel genetic model suggests that the ancestors of modern humans came from two distinct populations that split and reconnected during our evolutionary history.