When engineers and planners design roads, bridges and dams, they rely on hydrological models intended to protect infrastructure and communities from 50- and 100-year floods. 

A new international analysis published in Advances in Atmospheric Sciences on 9 January finds that the Earth's ocean stored more heat in 2025 than in any year since modern measurements began.

New observations help explain why the southern hemisphere is warming less quickly than the northern hemisphere.

"Proxies" in geologic record show rainfall was more intense, but less regular during the Paleogene.

The rise in wildfires globally brings into sharp focus how such disasters increasingly threaten our health and security. One question many people ask is how poor air quality could be harming their health.

Researchers from the IIASA Biodiversity and Natural Resources Program are involved in the recently launched EU-funded Trees4Adapt project.

Shortly after the Palisades and Eaton fires broke out in Los Angeles Jan. 7, 2025, engineers from the UCLA Samueli School of Engineering mobilized across burn zones to support recovery efforts and implement immediate mitigation strategies, including field reconnaissance, soil and water testing and infrastructure mapping.

A record of repeated retreat of the West Antarctic Ice Sheet during the past warm climates has been identified by International Ocean Discovery Program (IODP) Expedition 379 Scientists.

Higher temperatures may make monarch butterflies more vulnerable to parasites, according to new research from the University of Georgia.

This year will conclude as the second hottest on record, surpassed only by 2024.