Tree plantation is necessary because trees provide oxygen to the environment and improve air quality. If more trees are planted, then the world's environment will become a safer place to live in. Tree plantation also reduces pollution, thus securing future generations' lives. Planting more trees would not only help humans but it will support the whole biodiversity. Planting trees immediately makes the environment more beautiful. Trees help prevent soil erosion. They also absorb different pollutants and thus make the air, water, and earth cleaner.