Chennai Corporation Faces Soil Challenges in Green Cover Expansion Drive

The Chennai Corporation has launched an ambitious effort to increase the city's green cover from its current estimated range of 15–18% to a target of 33%. As the civic body intensifies its planting of saplings, waterlogging and clayey soil conditions have emerged as significant deterrents to the project's success. Residents often turn to the Chennai Corporation to understand how these environmental initiatives align with urban infrastructure management.

Challenges in Urban Greening

According to Chennai Corporation Commissioner G.S. Sameeran, the civic body aims to plant 12 lakh saplings within the current year. While the initiative is underway, site constraints remain a primary concern. The prevalence of clay-heavy soil and frequent waterlogging in vacant lands have complicated planting activities, forcing officials to carefully evaluate the suitability of various locations for new vegetation.

To address these environmental factors, the Corporation plans to prioritize native tree species that are naturally adapted to local conditions. Selected species include Mahilam, Poovarasu, Pungam, Punnai, Neer Marudhu, Neem, and Jamun. Additionally, the city will incorporate tropical avenue trees such as Peltophorum, Tabebuia, Spathodea, and Cassia to ensure long-term survival and ecological compatibility.

Chennai Corporation aims to reach 33% green cover despite challenges from waterlogging and clay soil conditions.

Integrated Approach to Biodiversity

The strategy to reach the 33% benchmark involves a multifaceted approach. Beyond large-scale plantation drives, the civic body intends to develop urban forests, enhance roadside avenue planting, and restore degraded parks. Officials are also seeking to foster partnerships with educational institutions and local industries to support these efforts. Furthermore, the city has initiated a pruning drive along major roads to protect existing trees from potential uprooting during the Northeast monsoon.

These efforts are guided by data from the 2025 Chennai City Biodiversity Index and assessments conducted by Anna University in 2026. By integrating conservation strategies with active planting, the Corporation hopes to create a more resilient urban ecosystem that can withstand the region's specific climatic challenges.

Why it matters

This initiative represents a significant push to improve the urban environment of Chennai, directly impacting the city's climate resilience and air quality. For residents, the successful expansion of green cover is expected to mitigate urban heat and improve local biodiversity, provided the Corporation can overcome the technical difficulties posed by soil and drainage issues.