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The Chennai Climate Consortium, known simply as C3, is a pioneering effort by EAI and its business partners to dramatically accelerate decarbonization for Chennai-based industries & commercial units through a Think Local approach.

C3 is possibly the first industry-led city-focused climate action platform in the world.


C3 is at the core a multi-stakeholder collaboration platform that facilitates all the key drivers for faster decarbonization – low carbon solution awareness & intelligence, effective interactions between key stakeholders, and faster commercialization of climate innovations.

C3 does these through a mix of research, workshops, awareness programs, and multi-stakeholder engagement facilitation.

C3 is run by a core team comprising stakeholders from key components of the climate action ecosystems – startups, investors, end users, policymakers, consultants, academic researchers, and also media.


The C3 core team as of February 2023 comprises the following:

Narasimhan Santhanam (Narsi)

Director, EAI – a climate tech consulting firm

Nithish Sairam

CEO, Illumine-i – solar solutions startup

Toine van Megen

Co-founder, Auroville Consulting – a firm focusing on climate policy design & support

Vineeth Vijayaraghavan

SPI Family office – representing investors

Satyanarayanan Seshadri

Faculty, IIT Madras – with a keen research interest in low carbon energy & climate tech

Ramesh Matham

Associate Editor – Business Line – representing the media

C3 Inauguration & First Workshop

The first workshop from C3, on industrial energy efficiency, was held on Feb 4, 2023. The workshop also had the formal inauguration of C3

Contact C3


Chennai Climate Consortium (C3)

A5C, Anugraha, 41, Nungambakkam High Road

Nungambakkam, Chennai 600034

Landmark: Next to the Taj Coromandel hotel

Email: c3@eai.in

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