Pesticide regulations designed to protect honeybees fail to account for potential health threats posed by agrochemicals to the full diversity of bee species that are even more important pollinators of food crops and other plants, say three new international papers co-authored by University of Guelph biologists.

A new study finds that hypoxic dead zones occur in urban streams.

Researchers at the University of New Hampshire have found unprecedentedly high levels of nitrate, an essential plant nutrient, in streams and watersheds of Puerto Rico for a year after two consecutive major hurricanes in 2017.

The air in Beijing is often very bad. The city sinks under a brown cover made of exhaust gases from industry, cars and coal fires, which blow a lot of harmful particulate matter, soot, sulfur dioxide and nitrogen oxides into the air.

A new study by a graduate student in the University of Toronto's Faculty of Applied Science & Engineering measured significant concentrations of traffic-related air pollution near roadways in the small island nation of Trinidad and Tobago, reaching levels comparable to highways in major urban centres like Toronto and Detroit.

Much has been written about the detrimental effects of smartphones on attention spans, stress levels and dinner table conversations.

Study is the first to quantify the uptake of nanoparticles at predicted environmentally relevant conditions.

Cigarette butts are the most common form of marine litter.

The nutritional qualities of shellfish could be significantly reduced by future ocean acidification and warming, a new study suggests.

Pitt Engineering researchers study potential benefits in co-treating Pennsylvania's acid mine drainage and shale gas wastewater.