Plastic bags are commonly mistaken for food by sea animals. They require a lot of energy and resources to be made, and have caused floods in some countries.
Scientists have mapped a huge dead zone in the Gulf of Oman, without enough oxygen in the water to support life. This Speed Read explains why dead zones form in waters around the world.
Michigan officials have ended distribution of free bottled water in Flint, but many residents believe the city’s water crisis is not over and have lost all trust in government.
Scientists often use animals and plants as indicators to assess whether ecosystems are polluted. Tracking bats, which cover wide areas and need clean water, could become a way to find potable water.
Recent research shows that US rivers are becoming saltier and more alkaline. Salt pollution threatens drinking water supplies and freshwater ecosystems, but there is no broad system for regulating it.
Many socks, towels and other textiles are treated with silver nanoparticles to kill germs and odors. When the silver washes out, it can pollute waterways. Two chemists propose a way to collect it from wastewater.
Bill Dennison, University of Maryland Center for Environmental Science and Robert J. Orth, Virginia Institute of Marine Science
An ambitious plan to cut the flow of nutrients into the Chesapeake Bay has produced historic regrowth of underwater seagrasses. These results offer hope for other polluted water bodies.
Donald Boesch, University of Maryland Center for Environmental Science
A scientist who served on a national commission to review the 2010 BP oil spill explains why Trump administration efforts to loosen offshore drilling regulation pose major risks for minor payoffs.
A chemical found in products as diverse as fireworks and food packaging, perchlorate can interfere with thyroid function as well as foetal brain development.
Silicon Valley brought together natural surroundings, suburban homes and futuristic high-tech work. But industrial pollution betrayed the California dream.
Gary Griggs, University of California, Santa Cruz and Charles Lester, University of California, Santa Cruz
For 50 years California has used laws and policies to manage development along its 1,100-mile coastline and preserve public access to the shore. Climate change will make that task harder.
Many states in Nigeria are reeling from cholera outbreaks. They need better health and sanitation infrastructure to disrupt transmission of the bacteria which cause the disease.
Bacteria are everywhere, even on your drink garnishes and ice. While most are not going to harm you, some can make you very sick. Here are some things to consider at public drink stations.