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 ...

Global Vulnerability Index projects climate resilience to 2100, highlighting education, health, governance, and inequality as key drivers.

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 recent years, the idea of having fewer children or not having children at all has been put forward by some climate activists as way to tackle climate change. A few scientific studies have ...

Dr. Geruso and Dr. Spears are economists and the authors of the forthcoming book “After the Spike: Population, Progress, and the Case for People.” We’ve all heard that human overpopulation is a crisis ...

An archaeological study of human settlement during the Final Palaeolithic revealed that populations in Europe did not decrease homogenously during the last cold phase of the Ice Age. Significant ...

This is an updated version of a story first published on April 27, 2025. The original video can be viewed here. The world's population may have recently exceeded eight billion, but it's a deceptive ...