To reduce air pollution associated with ocean transport, the International Maritime Organization tightened restrictions on sulfur content in ship fuel, resulting in an 80% reduction in emissions by 2020.

Agricultural waste that is usually burned or left to rot could play a far bigger role in tackling climate change if it were instead used in long-lasting building materials, according to new research from the University of East London (UEL).

A new analysis of air quality data from the past 70 years shows that Canada’s record wildfire smoke in 2023 is part of a broader, continent-wide trend toward smokier skies across North America.

PFAS, or per- or polyfluoroalkyl substances, are ubiquitous in modern life. First produced at the end of World War II, these chemicals are in everything from furniture and cosmetics to food packaging, non-stick pans and clothing.

Thousands of U.S. deaths per year linked to particulate matter from wood smoke.

Even after the disastrous L.A. wildfires abated last year, the danger from smoke persisted for many people living nearby. 

When Dr. Leluo Guan peers inside a cow’s stomach, she sees more than microbes—she sees an opportunity to cut methane emissions from cattle and improve profits for Canadian beef and dairy farmers.

Pharmaceuticals used in healthcare provide huge health and economic benefits to society, but are now found extensively as pollutants across global waterways.

Over many decades, coal mining in West Virginia has exposed sulfur-bearing rocks to oxygen, creating a widespread problem that continues to plague the region: the draining of highly acidic water into streams and creeks, which are then rendered lifeless.

Many people are optimistic about ammonia’s potential as an energy source and carrier of hydrogen, and though large-scale adoption would require major changes to the way it is currently manufactured, ammonia does have a number of advantages.