1. Chloroplasts of green plants produce O2 during photosynthesis. Plants and animals take in O2 and release CO2 in the process of respiration. As a result, the atmosphere of the environment is purified.
2. Green plants release water vapor in the process of respiration. This water vapor condenses and forms precipitation.
3. Plants provide shade and keep the environment cool. It makes the living environment happy.
4. Green gardens and meadows create a unique environment.
5. Green plants increase soil fertility.
6. High chloroplast content in plants increases fruit and crop production. As a result, the food demand is met. In this orderly condition prevails in the living environment.
7. Green grass is used as animal feed. Cattle consuming green grass have higher milk and meat production capacity.
8. Green algae produce large amounts of oxygen in the water of ponds, reservoirs, rivers, seas and oceans. It keeps the water environment clean.
9. Green chlorella is used to keep the bathing environment clean. Chlorella algae produce oxygen.
10. Green forests meet demand for wood and fuel. Necessary furniture is made from wood.