What will you discover?
Wetlands are nature's water filters. Nila shows how they work.
Key takeaways
- Slow water drops the dirt it is carrying.
- Reed and grass roots absorb nutrients that would otherwise feed algae.
- Soil microbes break down waste into harmless substances.
- Wetlands also cushion cities against floods and store fresh water.
Questions this video answers
What is a Ramsar site?
A wetland recognised as internationally important under the Ramsar Convention. India has more than seventy-five.
Can a city build its own wetland?
Yes. Constructed wetlands are used around the world to treat wastewater naturally.
Take the learning further
Find the nearest wetland, lake or marsh to your home on a map. Note what is built around it.
