Trump administration eases Obama-era rules on coal pollution

The Trump administration accelerated the pace of its environmental rollbacks for the country's coal-fired power plants Monday, proposing to weaken two Obama-era rules aimed at cleaning up dangerous heavy metals and ash from ...

Choosing trees with a liking for heavy metal

Which species of trees should we be planting in the urban environment to best soak up pollutants containing toxic heavy metals? Stefanos Tsiaras of Aristotle University of Thessaloniki and Theano Samara of the Forest Research ...

Researchers push for better policies around toxic chemicals

From high levels of lead found in school drinking water to industry sites releasing toxic heavy metals into the air, over 40 years of regulations in the United States have failed to protect human and environmental health ...

Removing toxic mercury from contaminated water

Water contaminated with mercury and other toxic heavy metals is a major cause of environmental damage and health problems worldwide. Now, researchers from Chalmers University of Technology, Sweden, present a totally new way ...

Shortening the rare-earth supply chain via recycling

Modern technology depends on a set of 17 elements at the foot of the periodic table. Known as rare earths (REs), many of these metals are highly magnetic, and find use in computing, green power and other technologies. However, ...

Ultrasensitive toxic gas detector

In a paper published in Nano, researchers from the School of Microelectronics in Tianjin University have discovered a two-step sputtering and subsequent annealing treatment method to prepare vertically aligned WO3-CuO core-shell ...

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