A potent greenhouse gas, methane is released by many sources, both human and natural. Large cities emit significant amounts of methane, but in many cases the exact emission sources are unknown.

Communities surrounding the Salton Sea, the inland body of water straddling California’s Riverside and Imperial counties, show high rates of asthma due, possibly, to high aerosol dust levels resulting from the sea shrinking over time.

As you drive down the highway, you may notice an increasing number of hybrid and electric vehicles.

New research from the Hypothetical Materials Lab at the University of Pittsburgh Swanson School of Engineering develops a framework to understand the choices an electronic waste recycler has to make and the role that digital fraud prevention could have in preventing dishonest recycling practices.

Although the emissions targets for aviation are in line with the overall goals of the Paris Agreement, there is a high likelihood that the climate impact of aviation will not meet these goals, according to a new study.

Lead levels in London’s atmosphere have dropped drastically since lead additives in petrol were phased out, and currently meet UK air quality targets.

Carbon dioxide (CO2) emissions from human activities have risen drastically over the last century and a half and are seen as the primary cause of global warming and abnormal weather patterns.

Volvo has announced plans to manufacture cars using fossil fuel-free steel by 2026. The company is partnering with Swedish steel firm SSAB to source steel made with hydrogen.

For the most accurate accounting of a product’s environmental impact, scientists look at the product’s entire life cycle, from cradle to grave. 

Nitrogen from agriculture, vehicle emissions and industry is endangering butterflies in Switzerland.