African smoke over the Amazon

The Brazilian rainforest is one of the world's few continental regions with clean air. However, this is only true during the wet season, when the concentration of particulate matter is very low. During the dry season, it's ...

Using plasma against toxic PFAS chemicals

Harmful PFAS chemicals can now be detected in many soils and bodies of water. Removing them using conventional filter techniques is costly and almost infeasible. Researchers at the Fraunhofer Institute for Interfacial Engineering ...

Measuring the value that US residents place on clean water

A new special edition of the Proceedings of the National Academy of Sciences (PNAS) focuses on helping federal regulators measure the value that U.S. residents place on clean water, just months before the Supreme Court is ...

Biden plans to slash planet-warming pollution from power plants

The Biden administration is preparing to propose limits on greenhouse gas emissions from coal- and gas-fired power plants that are so stringent they could almost wipe out the U.S. electricity sector's planet-warming pollution ...

Conservation ambitions must be set higher

A full 50% of Earth's surface must remain vegetated if humanity is to meet international goals for maintaining essentials such as food, clean water, and air, according to new research published in Conservation Biology.

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