water pollution
water pollution
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Videos

Discover how individuals can change their habits of consumption and disposal of single-use products, especially plastics, to keep trash out of the ocean
Learn how to prevent litter from ending up in the ocean.
National Oceanic and Atmospheric Administration/Department of Commerce
Learn how littering and the improper disposal of waste put trash in the oceans
Learn where marine debris—trash in the ocean—comes from.
National Oceanic and Atmospheric Administration/Department of Commerce
See experiments on the use of pollutant-extracting plants to decontaminate water
Learn about experiments that use plants, notably reeds, to filter pollutants from...
Contunico © ZDF Enterprises GmbH, Mainz; Thumbnail © Tt/Dreamstime.com
Discover how plastic debris is affecting marine life in the Pacific Ocean
Learn how plastic debris affects the Pacific Ocean.
Contunico © ZDF Enterprises GmbH, Mainz; Thumbnail © Evgeniy Parilov/Dreamstime.com
Understand global warming as a factor in the decline of dissolved oxygen in the ocean
Learn about the steady decline in levels of dissolved oxygen in the ocean, a phenomenon...
Encyclopædia Britannica, Inc.
coral-killing sunblock
Development of a biodegradable bead that can soak up the coral-killing sunblock ingredient,...
© American Chemical Society (A Britannica Publishing Partner)
See how drifting sensors equipped with GPS collect data to study the salt content and pollution in the Sacramento–San Joaquin River Delta
Drifting sensors equipped with GPS transmit data on water salinity and pollution...
Displayed by permission of The Regents of the University of California. All rights reserved. (A Britannica Publishing Partner)
Major types of pollution explained
Learn more about the major kinds of pollution in this infographic explainer.
Encyclopædia Britannica, Inc.

Images

groundwater pollution
Groundwater pollution caused by metals and industrial production waste.
© DELBO ANDREA/Shutterstock.com
water pollution point source
Industrial wastewater gushing from a pipe into a wetland.
© narvikk—E+/Getty Images
sewage pollution
Sewage pouring from sewer pipes into a river in Turkey.
© AykKokcu—iStock/Getty Images Plus
toxic Euglena bloom
Toxic bloom caused by Euglena, a photosynthetic protist.
Encyclopædia Britannica, Inc.
plastic pollution
Plastic bottles and other garbage in a lake.
© GraphicsRF/stock.adobe.com
oil pollution
Oil spill in a pond.
© forcdan/stock.adobe.com
aquifer
The process of saltwater intrusion into a coastal aquifer depends on how much water...
Encyclopædia Britannica, Inc./Patrick O'Neill Riley
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