Green landscaping refers to activities that modify the visible features of an area of land through the art and science of designing and managing outdoor spaces. It aims to create environments that are suitable for human and biological well-being. Green landscaping can include gardens and parks with native plants, trees along streets, artistic landscaping and potted plants in buildings and spaces, and sustenance features like rain barrels and greywater irrigation. The document provides examples of different types of green landscaping for various areas like gardens, parks, streets, buildings, and ways to sustain landscaping activities.