Delhi and the National Capital Region (NCR), marked by the River Yamuna and the Delhi Ridge, spans 1,483 square kilometers, forming a bustling urban ecosystem. Despite its vibrancy, the city grapples with perilous air quality, with the Air Quality Index (AQI) often falling into the “poor” to “very poor” range. According to the 6th Annual World Air Quality Report, Delhi ranks as the world’s most polluted city. Rapid urbanization and industrialization have led to alarming levels of particulate matter, nitrogen dioxide, and ozone, making the air almost unbreathable at times. However, a transformative shift is underway to address this environmental crisis: the surge of urban forests.
The Role of Urban Forests
Urban forests are essential in combating air pollution. Trees absorb harmful gases like carbon monoxide, nitrogen dioxide, and ozone while releasing oxygen.
Pradip Shah, co-founder, Grow-Trees.com, says, “Urban forests play a critical role in combating urban air pollution. It is estimated that in just one year, a mature tree can absorb more than 48 pounds of carbon dioxide from the atmosphere. Trees also release oxygen and remove particulate matter along with other pollutants, and this makes them natural air purifiers. Our strategic tree planting in Delhi has, in fact, created natural carbon sinks and made a notable difference to the surrounding air quality.
They also act as natural air purifiers, removing particulate matter and other pollutants from the air. Strategic tree planting in urban areas like Delhi can notably enhance air quality and public health. Moreover, urban forests provide a natural barrier against windborne pollutants, shielding nearby communities from harmful emissions. Trees provide habitats for wildlife, act as carbon sinks to combat the greenhouse effect, reduce soil erosion, regulate water runoff, and support biodiversity. They play a vital role in maintaining a healthy environment and contribute positively to global sustainability goals such as Climate Action and Life on Land as outlined in the United Nations 2030 agenda.
The Impact of Urban Forests
Vipul Gajera, CEO, Grow-Trees.com, believes, “Trees can serve as long-term solutions to counter air pollution, and hence we have been engaged in plantation activities across approximately eight regions in Delhi, including Yudhistir Bridge IT Park, Jheel Park, Smriti Van, Golden Jubilee Garden, CWG Village, Green Belt Yamuna, Art of Living area – Yamuna, and Sanjay Lake in the Delhi-NCR region. This ‘Trees for Delhi’ project has a target to plant around 180,000 trees, of which 80,254 trees have already been successfully planted. The afforestation project has created natural carbon sinks in areas where pollution is at its highest and is helping Delhi breathe a little better by mitigating the greenhouse effect and absorbing atmospheric carbon dioxide.”
The impact of urban forests on air quality is significant. Studies have shown that a single tree can absorb up to 48 pounds of carbon dioxide per year, equivalent to the amount produced by a car driving 1,000 miles. In Delhi, where over 10 million vehicles ply the roads daily, the need for carbon sequestration is critical. Our tree plantation project is working to achieve this goal, one tree at a time. Delhi’s urban forest cover has increased significantly in recent years, thanks to efforts like our tree plantation project. While there is still much work to be done, the progress made is a testament to the power of urban forests in tackling pollution.
Community Involvement and Sustainability
Our project is not just limited to tree planting; we also engage with local communities, educating them about the importance of urban forests and involving them in the planting and maintenance process. This community-led approach ensures the long-term sustainability of our efforts and fosters a sense of ownership among citizens. By expanding and preserving these green spaces, the city can not only improve its AQI but also provide a sustainable and eco-friendly solution to its environmental woes. The green revolution in Delhi is a testament to the power of nature in combating pollution and a reminder that even in the midst of concrete and steel, there is always room for a little green.
Leadership Voices
“These trees also serve as a reminder that even in a megapolis like Delhi, where over 10 million vehicles ply the roads daily, we can make space for nature. Our afforestation projects in urban and rural areas have planted millions of trees across India and are in line with Sustainable Development Goal (15), which aims to protect life on land, halt and reverse land degradation, and halt biodiversity loss. Our ‘Trees for Delhi’ project not only combats pollution but is also helping to reduce the urban heat island effect (UHI), enhance biodiversity, and replenish the city’s water table,” adds Shah.
Gajera adds, “Delhi very often finds itself in the list of the world’s most polluted cities, and its AQI frequently hits the headlines for the wrong reasons. However, Delhi’s growing urban forests are living proof that pollution can be mitigated, and strategic tree plantation can make our cities healthier. ”
In conclusion, urban forests are a crucial weapon in the fight against pollution in Delhi. Our tree plantation project is a shining example of how collective efforts can lead to meaningful change. As we continue to plant and nurture more trees, we are not only improving air quality but also creating a healthier, more sustainable environment for future generations. The intersection of climate change and health is becoming increasingly evident, and the early start of seasonal allergies is just one example of how our environment impacts our well-being. By understanding these connections and taking preventive measures, we can better manage the health challenges posed by our changing world.
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