Climate change is threatening the ecosystem, food production system of mass people, water resources and almost all things. We are also losing our groundwater because its level is getting lower and lower, and also it is not sufficient. The balance between social inequity and food inequity is so challenging for the world. Dr Atiq Rahman is a prominent environmentalist, scientist, development expert and a visionary thinker in South Asia. He is well-known worldwide for his pioneering role and contribution to environment and nature conservation, climate change, Poverty alleviation and sustainable development. He was honored with the highest UN- Environmental Award, the Champion of the Earth, for the year 2008 in recognition of his outstanding and inspirational leadership and contribution globally, regionally, nationally and locally. Another outstanding achievement in the same year given by the Government of Bangladesh was the National Environment Award for the category of innovative environmental research and technology development. He is a long standing lead author (LA) and convening lead author of (CLA) of IPCC. As a lead author of the IPCC fourth Assessment, he was a co-recipient of the “Nobel Peace Prize” of 2007, jointly awarded to IPCC and Al-Gore. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx