the best science on the web about
water pollution

Water Pollution Guide
Image: iStockphoto.com/jacus

Water Pollution Guide

With water covering 70% of its surface, it's no wonder Earth is nicknamed the "water planet." Thousands of animal and plant species depend on water to live.

What happens when that water gets polluted? Explore the major causes of water pollution, the dangers it can bring, and what you can do to keep Earth's waters clean.

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Polluted Ocean Photos

Polluted Ocean Photos

The oceans are connected to each other and to all the waterways around the world. Just as a drop of water can flow through a creek, stream, river, and into the ocean. So can trash. Need proof? More...

Images
National Geographic
What’s Up with the Water?

What’s Up with the Water?

There's something fishy about Wonderville's water supply. Help Marie test the water and then treat it at the plant so it's safe for drinking and cooking. More...

Interactive
Wonderville
Where You Live: Pollution Prevention

Where You Live: Pollution Prevention

Think globally, act locally, and here’s how you can do it. Locate where you live on this U.S. map and get information about pollution prevention in your region. More...

Interactive
Environmental Protection Agency
Sewage-Sniffing Dogs on the Trail of Pathogens Pollution

Sewage-Sniffing Dogs on the Trail of Pathogens Pollution

In Santa Barbara, California, four-legged friends serve as a fast and inexpensive alternative to lab testing when it comes to finding pollution and pathogens in the storm water drains. More...

Video
WERF
Shrishti Asthana: Google Science Fair 2013 Global Finalist

Shrishti Asthana: Google Science Fair 2013 Global Finalist

When she asked others about water pollution, Shrishti was challenged to think critically about her own behavior. Her response? Solar-powered water purification. Take a look. More...

Profile
Google Science Fair
Toxic Waters: Polluted Harbors

Toxic Waters: Polluted Harbors

Many beaches are often forced to close because of high levels of bacteria in the water. Why don't communities do more to fix the problem? For starters, it's expensive. More...

Video
New York Times
Legacy Pollutants: Poisoned Waters

Legacy Pollutants: Poisoned Waters

Many of the pollutants that have collected in water stay there for decades. These are referred to as "legacy pollutants," and they remain a danger. More...

Article
Frontline/PBS
Scientist Profile: Frog Scientist

Scientist Profile: Frog Scientist

Tyrone Hayes researches how chemicals in the environment, such as pesticides, keep amphibians from growing normally. His findings help people see the need for improving the environment everywhere. More...

Profile
DragonflyTV/PBS
The Secret Life of Scientists & Engineers: Alexandrea Bowman

The Secret Life of Scientists & Engineers: Alexandrea Bowman

Meet Alexandrea Bowman, who studies contaminants in Long Island Sound. She also is a member of the Red Storm drum and dance group, sharing her Native American culture. More...

Profile
NOVA/PBS
Too Much of a Good Thing? Study the Effect of Fertilizers on Algal Growth

Too Much of a Good Thing? Study the Effect of Fertilizers on Algal Growth

Farmers use fertilizer to increase crop yields. What happens when that fertilizer ends up in the water supply? Grab a beaker, test tube, and goggles to find out. More...

Activity
Science Buddies
Using Daphnia to Monitor Water Toxicity

Using Daphnia to Monitor Water Toxicity

Looking for a science project that checks for pollutants in water? Try this one that uses a common water flea to check water found in parking lots (which can seep into the ground). More...

Activity
Science Buddies
Water Pollution: Interactive Feature

Water Pollution: Interactive Feature

More than 200,000 facilities have permits to discharge pollutants in the water. Select your state and find out whether violations have been found at locations near you. More...

Interactive
New York Times

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