The second edition of the Tamil Nadu Climate Summit, held on February 28th and 29th, 2024, provided as a forum for facilitating collaborative efforts and discussions among national and international experts, paving the way for the promotion of climate resilience in the state. More than 500 participants from various parts of the country will attend the two-day event the event was held at a LEED Zero Carbon certified facility, which highlighted the State's Carbon Neutral objective. Several publications, including the Ramsar Site Compendium, a study report on micro plastics in Tamil Nadu's marine, estuarine, and fresh water compartments, Tamil Nadu's Greenhouse Gas Inventory & Pathways for Net-Zero Transition, and a Guidance Manual on Zero-Waste Organisation, were issued.

During the Climate Summit, the compendium on Ramsar sites of Tamil Nadu was released by the Hon’ble Minister for Environment and Climate Change, Thiru. Siva. V. Meiyyanathan. The Ramsar compendium was accompanied by a series of events and discussions aimed at raising awareness about wetlands conservation and promoting international cooperation in addressing climate change. Key highlights of the Ramsar compendium includes pictures of Ramsar sites depicting their elegance and detailed profile of Ramsar sites, including their location, size, significance, criteria, biodiversity, and ecosystem services. The compendium will serve as a valuable resource for policymakers, conservationists, researchers and public, fostering greater understanding & appreciation for the importance of wetlands in mitigating climate change and providing sustainable livelihood opportunities for local communities.

The Summit was separated into two stages. :

The first day of the summit was dedicated to exchanging expertise and building the framework for future action. Initiatives such as the Tamil Nadu Fish Net Initiative and micro forest production were reviewed, as well as ideas for greening cities and industry and managing e-waste. The introduction of Tamil Nadu's greenhouse gas inventory revealed an 84% rise in emissions between 2005 and 2019, directing efforts toward net-zero emissions by 2070. Furthermore, a baseline analysis of the Climate Literacy Model was given.

Day two was all on speeding activity and building partnerships. Topics covered included promoting sustainable food systems through local consumption, transitioning to renewable energy sources such as solar and wind power, navigating carbon credit policies and climate finance, and leveraging the circular economy to reduce waste and achieve carbon neutrality in cities. The Tamil Nadu Climate Summit 2.0 highlighted the state's unwavering commitment to addressing climate change and promoting sustainability.Its conclusions demonstrate a commitment to considerable emission reductions, with targets of 24% by 2030 and 50% by 2050, as well as a plan for attaining netzero emissions by 2070 via renewable energy, sustainable land management, and collaboration with partners.ProClime's $60 million investment highlights the relevance of carbon projects in reducing emissions and achieving climate objectives, as well as the need of international collaboration in solving this global problem