Humanity could be on the cusp of a civilizational collapse, according to population ecologist William Rees. In November 2022, the global population hit 8 billion, according to estimates by the United ...

How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today. An unexplained gap in the ...

Since 1805, the number of humans on Earth has skyrocketed from one billion to eight billion. Zoomed out, the growth appears positively parabolic. For everyone alive today, the present population boom ...

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 ...

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.

Over the past century, the world's human population has exploded from around 2 billion to 8 billion. Meanwhile, the average fertility rate has gradually declined. And if that trend continues as it has ...

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, ...

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 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, ...

China’s population has fallen after decades of sky-high growth. This major shift in the world’s most populous country would be a big deal by itself, but China’s hardly alone in its declining numbers: ...

Coastal populations are expanding quickly around the world. The rise is evident in burgeoning waterfront cities and in the increasing damage from powerful storms and rising sea levels. Yet, reliable, ...