A new study of the genetic profiles of wild and hatchery coho salmon demonstrates important distinctions in how the two types of fish form mating pairs.

First report in 13 years shows damaging effect of warming ocean

A warming Arctic presents potential new threats to humans and marine wildlife in the fast-changing region

A fifth of world population is affected; many U.S. cities on list

Venezuela’s Lake Maracaibo is choking with oil slicks and algae.

While most of the largest U.S. wildfires occur in the Western U.S., almost three-quarters of the smoke-related deaths and visits to the emergency room for asthma occur east of the Rocky Mountains.

A specific wavelength of ultraviolet (UV) light is not only extremely effective at killing the virus which causes COVID-19, but is also safer for use in public spaces, finds new CU Boulder research. 

Widespread adoption of electric vehicles (EVs) with robust power plant emission controls and power sector decarbonization policies will yield net air quality and health benefits in every state in India in 2040, a new study finds. 

Air pollution likely contributed to almost 6 million premature births and almost 3 million underweight babies in 2019, according to a UC San Francisco and University of Washington global burden of disease study and meta-analysis that quantifies the effects of indoor and outdoor pollution around the world. 

The cruise ship industry should be subject to global monitoring and effective legislation because of its continuous increasing impact on both the environment and human health and wellbeing, according to new research.