Qi Bing, University of California, Irvine and Maura C. Allaire, University of California, Irvine
Newark is the latest US city to struggle with high lead levels in drinking water. Ending this public health crisis will require more money and enforcement, plus stricter water testing standards.
Nuclear threats are serious – but officials, the media and the public keep a close eye on them. There’s less attention to the dangers of cyberattacks, which could cripple key utilities.
Emad Hasan, Binghamton University, State University of New York and Aondover Tarhule, Binghamton University, State University of New York
Climate change threatens the water supply of nations around the world. But it’s difficult to measure whether a region has sufficient water to satisfy the people who live there. Could satellites help?
Debra Perrone, University of California, Santa Barbara and Scott Jasechko, University of California, Santa Barbara
Millions of Americans rely on groundwater for their lives and livelihoods, but regulation is piecemeal. A new study maps groundwater wells nationwide and finds that they are drilling steadily deeper.
In Indonesia, not all children can get clean and safe drinking water. The latest research shows this can drive them to consume sweet beverages instead, posing a risk to their health.
In many municipalities, aging water infrastructure is serving fewer people than it was built to accommodate. Out of sight has meant out of mind – but resulting changes in water quality may affect safety.
EPA is moving to regulate two chemicals from a group called PFAS that are contaminating drinking water. A public health expert explains why the agency should take much broader action.
Sydney and Melbourne are bringing desalination plants back on stream and Adelaide plans to increase its plant’s output. Perth depends on desalination. But is it the best way to achieve water security?
The Trump administration wants to end federal protection under the Clean Water Act for many small streams and wetlands. But as a geoscientist explains, these are critical parts of large river systems.
Mike Joy, Te Herenga Waka — Victoria University of Wellington and Michael Baker, University of Otago
Nitrate in drinking water has been linked to an increased risk of colorectal cancer. That could have implications for some parts of New Zealand where nitrate levels are high.