On March 26, 2025, the U.S. Census Bureau released its Vintage 2025 county population decline in the US estimates – a ...

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 ...

Projected population changes across Europe vary significantly, with the EU population set to fall by 53 million by 2100.

There is a growing consensus that environmental problems, particularly the effects of climate change, pose a grave challenge to humanity. Pollution, habitat destruction, intractable waste issues and, ...

New Census Bureau data provides a picture of where the region's population stands after the first five years of the 2020s.