Practical Applications
## How Can We Take Care of Earth?
We can help Earth's systems stay healthy by making smart choices, like:
- Reducing, reusing, and recycling to keep the geosphere clean.
- Saving water to protect the hydrosphere.
- Planting trees to help the atmosphere and biosphere.
## Why Should We Care?
When we protect Earth, we make sure it stays a great place for people, animals, and plants to live!
Examples
- Bringing a reusable water bottle instead of throwing away plastic bottles.
- Turning off lights when you leave a room to save energy.