DDT and its breakdown products permeate lake sediments decades after the pesticide was banned.
water pollution
When the River Meets the Sea: Estuary Sediments and Hypoxia
Scientists know that low-oxygen dead zones are growing worldwide. New research sheds light on what that will mean for estuary systems if trends continue.
Ancient Romans Polluted Their Lakes Just Like We Do Today
Sediments from a lake in Switzerland reveal that ancient Romans triggered dead zones caused by the runoff of nutrients. Sound familiar?
The Acid Tongue of Climate Change Strikes Our Streams
Clear air policies have led to dramatic reductions in acid rain and improved ecosystem health, but it now appears that climate change could counteract those gains.
Just How Anomalous Is the Vast Baltic Sea Dead Zone?
Newly drilled cores from the Baltic Sea reveal 1,500 years of deoxygenation history. The record sheds light on the dire state of the Baltic Sea today.
When Income Goes Up, Does Pollution Go Down?
Scientists look at a possible connection between increased wealth and decreased water pollution in Louisiana.
Groundwater Contamination in Karst Regions Affects Human Health
Karst, Groundwater Contamination, and Public Health: Moving Beyond Case Studies; San Juan, Puerto Rico, 27 January to 1 February 2016
Dirty Water: Unintended Consequence of Climate Resiliency
Scientists testing the quality of floodwater in a Florida city find potentially harmful bacteria.
New Reactive Barrier May Protect Groundwater from Mine Waste
Researchers are developing a porous concrete filter to pull harmful dissolved metals out of water.
Urbanization Affects Air and Water in Italy's Po Plain
Satellite and ground-based measurements show a correlation between urban growth and increased levels of pollutants.