Smoke from wildfires burning in the western United States carries harmful pollutants across the country.
Rare earth elements appear in more than 200 consumer products. The race is on to source these elements from abundant and environmentally damaging mining waste.
The Montreal Protocol halted the destruction of the ozone layer. In the process, it saved one of Earth’s most important carbon sinks.
Food production is becoming less efficient at using nitrogen fertilizer, according to a review of global values. Excess nitrogen damages the environment and the climate.
Aerosol observations from EPIC—a sensor aboard a satellite—align well with ground- and aircraft-based data, including measurements of smoke plumes produced by recent megafires.
Researchers compared the nitrogen removal potential by microbes in ditches that drained forested, urban, and agricultural lands and discovered that roadside ditches are important areas for removing nutrients.
Microplastic particles, present everywhere on the planet, may complicate assessments of black carbon’s role in the melting of snow and of its contributions to Earth’s radiative balance.
New research uses Hurricane Harvey as a case study to demonstrate the devastating power of aerosols to supercharge tropical storms.
Greenhouse experiments reveal how higher temperatures act to elevate arsenic levels in rice and may help focus efforts to solve a crisis threatening food systems around the world.