Researchers formulated a mathematical equation that unifies 12,000 years of human population growth and points to an alarming ...

Humanity may already be living far beyond what Earth can sustainably support, according to a sweeping new study analyzing more than 200 years of population and environmental data. Researchers found ...

Earth's population's currently sits at 8.3 billion people – but it's set to get much bigger. That's according to scientists from Flinders University, who have estimated the peak population for our ...

In 1960, three scientists published a paper in Science that calculated, with deliberate provocation, that the human ...

Stanford University biologist Paul Ehrlich, who died March 13, 2026, in Palo Alto, California, was a scientific crusader whose dire predictions about population growth, world hunger and environmental ...

His best-selling 1968 book, which forecast global famines, made him a leader of the environmental movement. But he faced criticism when his predictions proved premature. By Keith Schneider Paul R.

In a new open-access study that I published with my late colleague Kostya Trachenko from Queen Mary University of London, I propose a surprisingly simple nonlinear mathematical equation that unifies ...