1. Planting trees helps to combat climate change by absorbing carbon dioxide and releasing oxygen, thus reducing the greenhouse effect. 2. Trees provide shade and help to cool the environment, reducing the need for air conditioning and saving energy. 3. Tree planting helps to prevent soil erosion and improve water quality by filtering pollutants and preventing runoff. 4. Trees create habitats for wildlife, supporting biodiversity and promoting a healthy ecosystem. 5. Planting trees in urban areas can improve air quality by filtering out pollutants and reducing the effects of air pollution.