Why seagrass is so important to our environment
Seagrass not only provides a habitat for many marine animals but it can also store carbon from the atmosphere at a rate 35 times greater than tropical rainforests making it useful in tackling climate change.
But the plant is also under threat.
In some tourist resorts it is regarded as a nuisance - spoiling the image of pristine white sandy beaches - and is often removed.
But now a project in the Maldives which is vulnerable to rising sea levels could help change this.
The Travel Show's Ade Adepitan finds out more.
The Travel Show can be seen on BBC World News