Cyclone Michaung revealed vulnerabilities in Chennai's coastal area. How can urban planning and sustainable infrastructure enhance resilience against natural disasters in coastal cities like Chennai? Manisha Natarajan discusses with Shreya Gadepalli - Founder & Managing Trustee, Urban Works Institute, Arun Krishnamurthy - Founder, Environmentalist Foundation of India and Amarnath Giriraj - Principal Researcher, Disaster Risk Management & Climate Resilience at International Water Management Institute.