A new study finds that California’s commuters are likely inhaling chemicals at levels that increase the risk for cancer and birth defects.

Human health and ecosystems could be affected by microbes including cyanobacteria and algae that hitch rides in clouds and enter soil, lakes, oceans and other environments when it rains, according to a Rutgers co-authored study.

Shell has set new carbon emissions goals to become a net zero carbon energy company by 2050, but will continue to grow its gas business by more than 20 percent in the next few years.

First author of the study is PhD candidate Siri Ofstad from CAGE Centre for Arctic Gas Hydrate, Environment and Climate.

A potent ozone-depleting chemical whose emissions unexpectedly spiked in recent years has quickly dropped back to much lower levels, putting the recovery of the stratospheric ozone layer back on track, according to a new study by scientists at MIT, the University of Bristol, and other institutions in South Korea, the U.S., Japan, Australia, and Switzerland.

Scientists have long warned that the world’s major rivers and estuaries are hotspots for plastic waste, as trash and microparticles wash down tributaries and congregate before entering oceans.

Dramatic decreases in traffic caused by COVID-19 shutdowns improved air quality in car-dependent states but didn’t offset additional forms of pollution in other parts of the country.

Black carbon aerosol (BC) has emerged as a major contributor to global climate change, only second to CO2 as the main driver of the global warming. 

A study led by master’s student Xuelin Tian examining emission levels shows a sharp drop in vehicle pollutants as of March 2020.

Nitrous oxide (N2O) is a potent greenhouse gas whose atmospheric growth rate has accelerated over the past decade.