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The importance of trees can never be stressed enough, especially now more than ever before. Pollution of all sorts, whether it is air, water or soil pollution, has been wreaking havoc on our ecosystem. Trees provide several benefits which are extremely crucial for human as well as the earth's survival. Trees provide us with the most needed substance for our survival, that is, oxygen. Two mature trees can provide enough oxygen for a family of four. Not only this, forests also act as enormous filters that clean the air we breathe by sucking up the harmful pollutants in the air. They absorb poisonous gases like nitrogen oxide, carbon monoxide and ozone and remove particles like smoke and dust from the air. These pollutants play a major role in causing respiratory diseases such as asthma and provoke the development of chronic diseases like lung cancer.

More importantly, trees act as carbon sinks. Carbon dioxide is the main component which causes global warming. A forest locks up the carbon as storage and uses it make its food due to which carbon is not available as a greenhouse gas then. This is the reason why houses or buildings with trees around them experience cool air and the area is not as heated up. Furthermore trees are vital in controlling floods and landslides as they can hold vast amounts of water, which would otherwise flow down hills and surge into the towns. Their roots bind the soil together strongly and prevent surface runoff. To add to this, trees also filter the sewage and chemicals from agricultural waste in the soil.

Trees act as excellent noise blockers and muffle the noise pollution in the urban cities very well. Trees also improve the mental health of an individual. Researches have repeatedly found evidence to improved mental health with exposure to nature. Patients with the view of trees are found to recover faster than the other patients. Trees in addition to being useful to humans are homes to other organisms. A single tree can be home to hundreds of species of insect, fungi, moss, mammals, and plants. When one cuts a tree, they take away the shelter of another being which is an extremely selfish thing to do. The onus of maintaining the health of the environment falls on humans so they must not do as they please for solely their benefits in the short term. The ecosystem will break down without the trees and it is not an exaggeration to say that humans and other organisms will cease to exist without them. One must endeavour to plant trees not only for the benefits that trees provide us but also because it is what we owe to the earth in return for all that it provides us.