This is Green Llama

Learn About World Arbor Day And Matt's Trip To Support Tree Planting In Tennessee

by Kay Baker on Mar 30, 2023

Learn About World Arbor Day And Matt's Trip To Support Tree Planting In Tennessee

World Arbor Day (28th April, 2023) is a global celebration of trees, which are essential for life on Earth. Trees play a critical role in regulating the Earth's climate, and during the spring season in the Northern Hemisphere, they are especially important in absorbing carbon dioxide (CO2) from the atmosphere and releasing oxygen through the process of photosynthesis. This blog post will explore the significance of Arbor Day, the impact of trees on the environment, and the importance of planting trees. 

Arbor Day was first celebrated in Nebraska, United States, in 1872, and has since become a global phenomenon, celebrated in many countries around the world. It is typically observed on the last Friday in April, and its purpose is to encourage people to plant, care for, and appreciate trees. 

Trees are critical in mitigating climate change because they absorb carbon dioxide from the atmosphere and store it. During photosynthesis, trees take in CO2 and water and convert them into oxygen and carbohydrates. This process helps to reduce the amount of CO2 in the atmosphere, which is one of the primary greenhouse gases that contribute to global warming. In fact, according to the United States Department of Agriculture, a single mature tree can absorb up to 48 pounds of CO2 per year and release enough oxygen to support two human beings. 

Furthermore, trees are important in reducing air pollution, which has a significant impact on human health. Trees absorb pollutants, such as nitrogen oxides, sulfur dioxide, and particulate matter, through their leaves and roots. According to a study published in Environmental Pollution, the presence of trees in urban areas can reduce air pollution by up to 60%. 

Trees also play a critical role in maintaining biodiversity, which is essential for a healthy and thriving ecosystem. Trees provide habitat and food for a wide range of animals and insects, and they help to maintain ecosystems that are crucial for sustaining life on Earth. According to the Food and Agriculture Organization of the United Nations, forests are home to more than 80% of the world's terrestrial biodiversity. 

In addition to their environmental benefits, trees provide a range of economic benefits. They support industries such as forestry and tourism and can reduce energy costs by providing shade and insulation. In urban areas, trees can help to reduce the urban heat island effect, which occurs when buildings and other structures absorb and retain heat, leading to higher temperatures in cities. 

The importance of planting trees cannot be overstated. Trees provide numerous environmental and economic benefits, and their presence is critical for maintaining a healthy and sustainable planet. There are many ways to get involved in tree planting initiatives, from volunteering with local organizations to planting trees in your own backyard. 

Green Llama is doing our part. We sent Matt, one of our founders to support the Tennessee Environment Council's push to plant more trees at the Tennessee Tree Day. Matt spent the day sorting Dogwood, Pine, Rosebud and many other tree types that woulkd be sent on to locations around Tennessee for planting. "It was a wonderful experience, meeting new people and learning a little more about the biology and ecology of trees" - Matt.  

In conclusion, Arbor Day is a time to celebrate the importance of trees and to recognize the critical role they play in our environment. Trees absorb carbon dioxide from the atmosphere, reduce air pollution, support biodiversity, and provide a range of economic benefits. By planting trees, we can help to combat climate change, promote environmental sustainability, and create a better world for future generations. 


  • United States Department of Agriculture. (2019). Benefits of Trees and Urban Forests: A Research List. 
  • Nowak, D. J., Hirabayashi, S., Bodine, A., & Greenfield, E. (2014). Tree and forest effects on air quality and human health in the United States. Environmental Pollution, 193, 119-129. 
  • Food and Agriculture Organization of the United Nations. (2016). The State of the World's Forests. 
  • National Arbor Day Foundation. (2022). What is Arbor Day? 

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