ERTL(S) Thiruvananthapuram, also known as the Environmental Resources and Technology Division, Thiruvananthapuram, is a significant research institution in Kerala, India, dedicated to environmental and analytical sciences. Established by the Ministry of Environment, Forest and Climate Change, Government of India, ERTL(S) Thiruvananthapuram plays a crucial role in assessing and monitoring environmental quality and providing analytical support. ERTL(S) Thiruvananthapuram is equipped with state-of-the-art facilities that enable comprehensive environmental analysis. These facilities encompass advanced laboratories equipped with sophisticated instruments for analysing air, water, soil, and various pollutants. The institute focuses on monitoring and evaluating the quality of these environmental components, supporting regulatory bodies and policymakers in making informed decisions. The institution’s analytical capabilities cover a wide range of parameters, including chemical, biological, and physical factors that impact the environment. Its services aid in assessing pollution levels, identifying sources of contamination, and formulating effective strategies for environmental protection and management. ERTL(S) Thiruvananthapuram collaborates with various government departments, research organizations, and industries to provide accurate and reliable data for environmental assessments. Its role in ensuring a cleaner and healthier environment is pivotal, as it contributes to sustainable development practices and informed decision-making.