Lesson From A Third-Grader
We all know that there are lots of things we can do to help keep the Earth's water clean.
But the Earth is going to help itself even if we won't.
Watch this third-grader's demonstration of how nature cleans dirty water:
We all know that there are lots of things we can do to help keep the Earth's water clean.
But the Earth is going to help itself even if we won't.
Watch this third-grader's demonstration of how nature cleans dirty water: