Population ecology is the study of how populations — of plants, animals, and other organisms — change over time and space and interact with their environment. Populations are groups of organisms of ...

Human population and consumption have surpassed Earth’s limits, increasing risks to climate and global stability.

Earth has already exceeded its ability to support the global population sustainably, with new research warning of increasing pressure on food security, climate stability, and human well-being. However ...

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, ...

(Mait Juriado photo/Moment/Getty Images) The human population has already grown too large and demanding for Earth to ...