The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth.

Latitude is one of the most important factors in determining global climate patterns. In areas around the equator, sunlight has a smaller area of atmosphere to pass through, and the sun’s rays ...

The Department of Geography houses a dendrochronology laboratory and palynology laboratory for paleoclimate reconstruction, the Nevada State Climate Office and geospatial laboratories that study ...

each with distinctive interacting characteristics and components. They range from small ecosystems such as a freshwater pond, to global ecosystems such as deserts.

The Permian-Triassic extinction, also known as the Great Dying, was the most devastating event in Earth’s history. 96% of ...

These pathogens threaten biodiversity, ecosystems and human health ... Lambertucci et al, The threat of avian influenza H5N1 looms over global biodiversity, Nature Reviews Biodiversity (2025).

This article explores how nitrogen becomes available to organisms and what changes in nitrogen levels as a result of human activity means to local and global ecosystems. Nitrogen is one of the ...

ADDIS ABABA, March 4 (Xinhua) -- Ethiopia has called for additional investment and international collaboration to tackle increasing pressures on global ecosystems and biodiversity, according to ...