How the ENVIROMENT is effected in Bhutan

The most things that affect ENVIROMENT   by 1.industtrail activities. . 2. fuel wood burning. 3.vehicular growth.

The most one that effect  ENVIROMENT is :Fuel Wood Burning. 

the fuel wood burning produce is :the fuel of wood cause like coal, and petroleum products releases unburnt carbon particles in the air, these  fine carbon particles are dangerous pollutants which cause respiratory diseases.