Sustainable landscaping is creating a beautiful yard or garden in a way that helps the environment. Usually, this means choosing plants, soils, and fertilizers that don't harm the environment. It also means planting things that won't need too much water and other resources. Since plants absorb carbon dioxide, they help reduce air pollution too. Sustainable landscaping also works to conserve energy and protect wildlife. It's like gardening in a way that takes care of the environment.