The Forest Scribe

The Roles of Trees in Human Life

Trees as a source of life for humans, play a number of roles, such as absorbing carbon dioxide (CO2) and other poisonous gases from the air that humans breathe. Trees are also a main source of oxygen. For example, if there were 20 million trees planted, it will produce about 260 million tons of oxygen and absorb 10 million tons of CO2. (


Facts on Trees: (

  • One tree trunk can produce as much as 1.2 kilograms of oxygen per day. One individual only needs 0.5 kilograms of oxygen per day. Therefore, one tree can provide oxygen for two people
  • In one year, trees can absorb up to 14 kilograms of CO2 from air pollution produced by exhaust gas from vehicles, factory waste, and much more
  • Tree roots can absorb water in the soil which functions to bind soil particles as well as absorb some 2,000 liters of water in the soil pores every year
  • Tree roots can also stabilize the soil on a slope
  • Trees are natural heat sinks


Benefits of trees: (

  • Make the air fresher
  • Reduce human skin exposure to UV rays
  • Lower the impact of climate change
  • Prevent water pollution
  • Maintain human and animal population
  • Prevent soil erosion


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