Deltas are some of the most important natural and human places on Earth. They're where ecosystems interact, new land is built, and people meet to trade goods and grow crops in rich delta soil.
The Mississippi River delta is a place of constant change---but some changes mean danger for the delta. Click on the pictures below to see animations that share the story of this great American treasure.
Did You Know?
January 8 used to be a national holiday. That's because January 8, 1815, was the date of the Battle of New Orleans.