I will provide the following points for u to help write an article.
(a) Natural environment is important as it serves as the basic life support systems - air , water and soil.
(b) Forests - plants are important as they serve as the primary products on which other living beings depend and serve as basic food , fodder , raw materials for growth in the country.
1 3 1
They are back bone for nation because orests absorb existing air separating the elements, freeing and releasing the Oxygen, disposing of the minor elements and using the Carbon Dioxide for food to grow. 
Even the pollutant nitrogen dioxide (NO2) is absorbed by the enzyme rich soil and released as harmless nitrogen.
 Forests release water vapor which rises and forms the clouds ...The working Forest Ecosystem, when restored, will do much to substantially correct any climate change 
1 4 1