Dr Roxy Mathew Koll, Scientist “D” working with Center for Climate Change Research (CCCR) in IITM has been invited as Lead Author for Chapter 6: Extremes, Abrupt Changes and Managing Risks of the IPCC Special Report on the Ocean and Cryosphere in a Changing Climate, and as a Reviewer of the IPCC Special Report on 1.5 Degrees by the IPCC Working Groups I and II Bureau.