Skip Navigation
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Pollution

It's bad for the environment (and people too!)

Now find out more about some kinds of pollution

Baby ducks following mother duck
Other stuff you might like ...
Wildlife Articles
Learn about wildlife and ecology! Read these tales written by NIEHS staff.
Go!
Puzzle piece
Other stuff you might like ...
Games & Puzzles
Games galore! Piles of Puzzles!
Go!
What's That Word
Scientific Dictionary
Not sure of what a word means?
Find Out!
an open book with the letter a over it
For teachers
To see the latest articles about children's health, see Environmental Health Perspectives - Children's Health Articles.
Back to Top