Three elements commonly found at elevated levels in an Appalachian river polluted by runoff from mountaintop coal mining have distinctive chemistries that can be traced back to their source, according to a Duke University-led study.
As demand climbs for more fuel-efficient vehicles, knowledge compiled over several years about diesel engines and a new strategy known as “low-temperature combustion” (LTC) might soon lead auto manufacturers and consumers to broader use of cleaner diesel engines in the United States.
More forms of mercury can be converted to deadly methylmercury than previously thought, according to a study published Sunday in Nature Geoscience. The discovery provides scientists with another piece of the mercury puzzle, bringing them one step closer to understanding the challenges associated with mercury cleanup.
For a behind-the-scenes look at NASA's upcoming airborne campaign to study how air pollution from wildfires and other sources affects our climate, NASA will host a media day from 8-11 a.m. CDT Wednesday, Aug. 21, in Houston.
Scientist Brett Singer is a vegetarian. So why has he been frying up hamburgers? Singer and his team of Lawrence Berkeley National Laboratory (Berkeley Lab) indoor air researchers have found hazardous levels of nitrogen dioxide and carbon monoxide in a surprisingly large portion of California home kitchens. What’s more, their studies have shown that the most common device for mitigating this indoor air problem—range hoods—vary widely in performance.
A family of molecules developed at Carnegie Mellon University to break down pollutants in water is one step closer to commercial use. Study results published online in the journal Green Chemistry show that the molecules, which are aimed at removing hazardous endocrine disruptors from water sources, aren't endocrine disruptors themselves as they proved to be non-toxic to developing zebrafish embryos.
EPFL researchers have detected surprising amounts of microplastic pollution in Lake Geneva.
A high level of air pollution, in the form of particulates produced by burning coal, significantly shortens the lives of people exposed to it, according to a unique new study of China co-authored by an MIT economist.
High emissions of polycyclic aromatic hydrocarbons (PAHs) can be linked to lung cancer deaths in the United States and countries with a similarly high socioeconomic rank, including Canada, Australia, France, and Germany, according to a study by Oregon State University.
If you’ve been on or near the water, you’ve seen it—the plastic trash that litters oceans, lakes, and streams worldwide. But visible plastic—soda bottles, lighters, flip-flops, combs, rope—may be the least of the problem. Scientists are beginning to realize that what you can’t see, tiny bits of polyethylene or polypropylene called “microplastics,” likely pose a greater threat to marine ecosystems.
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