Earth provides a rich environment, and many factors continue to shape the planet's condition.

He grew up with his family in an environment rich with culture.

Many species of birds can be heard and seen in this rich environment.

They too value a visually rich and stimulating working environment.

It is a rich environment for aquatic life and waterfowl.

"Instead, we give them a rich environment with goals embedded in it," he said.

This rich natural environment enhances the school's environmental education program.

Like sound, it needed a richer environment than the Martian surface to come into being.

We'd have less of a rich educational environment than we do.

This is a key issue, as Brazil has a rich but fragile environment.