Afforestation should be given top priority because it helps in creating a cleaner environment in following ways —
- Plants act as pollutant sink and clean the environment by absorbing toxic materials.
- Plant convert carbon dioxide to oxygen which is essential for the life organisms over this earth.
- Plaint supply fuel, timber, fodder for the local population.
- They restore ecological balance.
- They act as catchement for rain and water conservation.
- They prevent flood.