A new analysis of Kotzebue Sound fish has found that mercury levels in a variety of its subsistence species are safe for unrestricted consumption.

Water quality in the Little Arkansas River and in the Equus Beds aquifer has not substantially changed since 2001, according to a new study by the U.S. Geological Survey in cooperation with the city of Wichita, Kansas.

Plastic pollution in the oceans has become an important societal problem, as plastics are the most common and persistent pollutants in oceans and beaches worldwide

Humans have never before lived with the high carbon dioxide atmospheric conditions that have become the norm on Earth in the last 60 years, according to a new study that includes a Texas A&M University researcher.

Emissions of greenhouse gases have a warming effect on the climate, whereas small airborne particles in the atmosphere, aerosols, act as a cooling mechanism. 

Many people are trying to reduce their plastic use, but some tea manufacturers are moving in the opposite direction: replacing traditional paper teabags with plastic ones. Now, researchers reporting in ACS’ Environmental Science & Technology have discovered that a soothing cup of the brewed beverage may come with a dose of micro- and nano-sized plastics shed from the bags. Possible health effects of ingesting these particles are currently unknown, the researchers say.

Three new studies by scientists at Cincinnati Children’s, in collaboration with researchers at the University of Cincinnati, highlight the relationship between air pollution and mental health in children.

There is no clear link between cancer incidence and locally produced food from an area with a history of glass manufacture with contaminated soil, according to a new study from, among others, Linköping University.

Reducing fossil fuel emissions aggressively but gradually will not cause a large spike in short-term warming as feared, according to new research.

Three of the world’s foremost scientists will co-chair a commission of leading international experts to identify risks and develop a coherent suite of scientific targets to protect Earth’s life support systems.