When spraying paint or coatings onto a surface, or fertilizers or pesticides onto crops, the size of the droplets makes a big difference. Bigger drops will drift less in the wind, allowing them to strike their intended targets more accurately, but smaller droplets are more likely to stick when they land instead of bouncing off.

Levels of some persistent organic pollutants (POPs) regulated by the Stockholm Convention are decreasing in the Arctic.

Rising levels of carbon dioxide (CO2) from human activity are making staple crops such as rice and wheat less nutritious and could result in 175 million people becoming zinc deficient and 122 million people becoming protein deficient by 2050.

In a new study, scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) in Berlin, Germany, tested the response of European bats to red and white light sources during their seasonal migration.

Widespread tree felling in African savannas is producing at least three times as many carbon emissions as was previously thought, research suggests.

Study finds concerning levels of toxins in water near farm fields.

Of the many well-documented risks of dirty air, one potential danger is lesser known: chronic kidney disease.

In the ocean, a little bit of metal can go a long way.

The U.S. coal power plant fleet has been shrinking for years, with the official tally of coal plants closed exceeding those still open as of late last year. Another 43 gigawatts, or about 18 percent of the remaining 249 gigawatts of capacity, is expected to close by 2030.  

International team of experts from Mainz, London and Cleveland reports on mechanisms that cause vascular damage.