Nature Helps Protect Coastal Areas

Some building projects use nature to help people. They use wet lands near the sea and special places where oysters live. They also use the natural movement of river water. These ways help reduce danger from strong storms near the sea. They also give good results for people, money, and nature. Other examples are special underwater places for fish and high sand hills. People also add clean sand and dirt to make islands and wet lands bigger.

About 40 percent of people in the United States live close to the sea. Places near the sea face special danger from storms. Special islands and wet lands help protect the land from strong storms and high water. Wet lands also protect people and buildings from normal waves. They give homes to many animals. They keep a special gas from the air and make water cleaner. People can also enjoy fun activities there.

Some of these islands and wet lands are disappearing fast. One big reason is that the sea level is rising. Government groups sometimes use clean sand and dirt from ship channels to rebuild them. A US group that studies the ocean looks at these projects. They want to find better ways to take care of the wet lands. They also want to know what good results these nature ways give. They check how a rebuilt place works compared with a natural one. They look at animal homes and how the place keeps the special gas. They also ask if the good results last after 15 years. They check if the wet land still reduces the power of waves and takes the special gas from the air. This work can help make better wet lands that help many people and animals.

How can nature help protect coastal areas?