New research confirms that drastic changes in ocean salinity from, for example, severe freshwater flooding, as recently experienced off the coast of north-east Queensland from abnormal monsoonal conditions, provoke a similar stress response in corals as extreme heating, resulting in “freshwater bleaching” and if unabated, coral death.

During the Vietnam War, United States aircraft sprayed more than 20 million gallons of herbicides, including dioxin-contaminated Agent Orange, on the country’s rain forests, wetlands, and croplands. 

How much land will a carbon-free electricity system require?

Two types of human-associated bacteria and three types of human viruses were detected in Milwaukee streams within the Menomonee River watershed, according to a recent study led by the U.S. Geological Survey.

Excess nutrients from fertilizer application, pollution discharge, and water regulations outflow through rivers from lands to oceans, seriously impacting coastal water quality and ecosystems.

Over the past 20 years, concentrations of pharmaceuticals have increased in freshwater sources all over the world, as research by environmental experts at Radboud University has revealed. 

The world’s largest coordinated network of protected areas is not located at the South Pole or in Australia, Africa, Asia or on the American continents – but in Europe. 

Using telemetry units in hospitals to monitor patient health is standard practice. Now, a similar approach is proving to be invaluable for dolphins, too. 

Researchers have documented a group of tanner crabs vigorously feeding at a methane seep on the seafloor off British Columbia – one of the first times a commercially harvested species has been seen using this energy source.

Fossil fuel combustion is the main contributor to black carbon collected at five sites around the Arctic, which has implications for global warming, according to a study by an international group of scientists that included a team from Baylor University.