Trees are an important part of every society. Our streets, parks, playground and backyard are made of trees that create a peaceful, aesthetically pleasant environment. Trees increase our quality of life by bringing natural elements and wildlife habitats into the urban environment. We gather in the cool shade during outdoor activities with family and friends. Many neighborhoods are also home to many old trees which are a great source of historical landmarks and pride of the city. To remove sunlight, the use of trees in cities reduces the effect of heat island due to floors and commercial buildings.

Trees are of invaluable importance for our environment and human health. Lush trees give us clean water to drink, air to breathe, shade and food to humans, animals and plants. They provide shelter, cooking and heat for animals and plants and materials for places of spiritual, cultural and recreational importance. Trees are very important for the health of the global environment and the generations living there, and they need our unconditional care and protection.

Trees help clear our breathing air. Trees absorb harmful pollutants and release clean oxygen for us to breathe with the help of their leaves and barks. In the urban environment, trees absorb contaminated gasses such as nitrogen oxide, ozone, and carbon monoxide, and sweep away particles such as dust and smoke. Rising levels of carbon dioxide are caused by deforestation and heat in the atmosphere due to the combustion of fossil fuels. Healthy, strong trees act as carbon sinks, offset carbon and reduce climate change impacts.

Trees get rainwater and keep them in the ground. It prevents clean water from flowing and being lost in drains. With this they also work as watershed and stop flood water slowly for some time before leaving the land and environment. Therefore, they maintain the water base of an area and provide us with a water bed. Tree roots system nature has made it so good that it prevents downstream soil from flowing during rain and floods thus preventing landsliding and soil erosion.

Trees host complex micro-habitants. When young, they give shelter and food to the wonderful communities of birds, insects, licks and fungi. When ancient, their trunk species, such as bats, wood boring beetles, and wooden beetles, also provide the necessary hollow cover. An adult oak can be home to more than 500 different species. Richmond park is full of such trees, one of which is named the national nature reserve and place of special scientific interest.

Trees, which provide shade and act as natural air conditioners, play an important role in helping to build cities that are more resilient to extreme temperatures. It will grow more as the climate gets warmer. Trees can carry plenty of water: an adult tree can carry up to 150 liters of water per day. In a hot, dry place such as Perth it produces an equal cooling effect of two air conditioners running for 20 hours.

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