Sustainability means using natural resources wisely so that they last for a long time. It teaches us how to meet our needs today without harming the ability of future generations to meet their needs. Our Earth provides us with air, water, food, and energy, and it is our responsibility to protect these resources.

One important part of sustainability is protecting the environment. Cutting too many trees, wasting water, and polluting air and rivers can harm plants, animals, and humans. By planting trees, saving water, and reducing pollution, we help keep our planet healthy and green.

Sustainability also includes reducing waste. We can follow the three Rs—Reduce, Reuse, and Recycle. Reducing means using fewer things, reusing means using items again instead of throwing them away, and recycling helps turn waste into new products. These simple habits can greatly reduce the amount of garbage on Earth.

Another key aspect of sustainability is using renewable energy such as solar and wind energy. These sources do not run out and do not pollute the environment. Using clean energy helps fight climate change and keeps the Earth safe for the future.
In conclusion, sustainability is about caring for our planet through small but meaningful actions. If everyone does their part, we can create a cleaner, healthier, and safer world for ourselves and future generations.