The bright orange plumes of water scientists first noticed billowing across a river in Alaska’s Brooks Range in 2018 were even more acidic and metallic than water leached from metal mines, despite their pristine surroundings.

Researchers at the University of Waterloo are working with government, academic and industry partners to tackle several challenges in Ontario’s agricultural sector, including short growing seasons, rising production pressures and crops that can fail long before anyone sees warning signs.

Lead contamination in soil tracked inside homes can cause dangerous indoor lead dust levels even in residences with no interior lead-based paint, according to researchers with the Rutgers Environmental, Occupational and Health Sciences Institute in collaboration with community scientists: members of the general public who participate in data collection under the direction of scientists.

Tests in university classes show that simple, low-cost systems can remove airborne particles with little disruption from fan noise.

A new study found more than half of the city’s bike-share trips replace car trips, with each bike reducing annual CO₂ emissions by up 120 kilograms (kg) per year.

In early July 2026, Stanford postdoctoral researcher Alex Honeyman and graduate student Mark Leone attached a box the size of a briefcase to a firetruck in Colorado that was about to be dispatched to a wildfire 300 miles away.

In 2021, MIT set campus decarbonization goals as part of its Fast Forward climate action plan.

Wildfire-related PM2.5 linked to higher hospitalization risks for cardiovascular and respiratory disease and poorer survival among people with lung cancer.

The world needs more homes. The world also has too much plastic. Perhaps the only thing those two problems have in common is that they’re hard to solve.

Our oceans are in trouble and new research from Flinders University shows how changes in diatoms (microalgae) could further undermine the foundation of aquatic life’s food webs – as well as vital deep-sea carbon capture or sequestration.