Institute of Advanced Study in Science and Technology, Guwahati (IASST) celebrated Earth Day as part of the 75th Year of India’s Independence: Azadi ke Amrit Mahotsava on April 22, 2021. The event was celebrated by following the COVID 19 protocol. Majority of the participant’s staff and students joined the event via online. Prof. B. N. Goswami, SERB Distinguished Fellow at Cotton University and Former Director, Indian Institute of Tropical Meteorology, Pune delivered a talk on “Climate Emergency: The Earth’s Warning to Stop and Reverse Anthropogenic Degradation of its Environment”. He emphasized that our Earth is not at best of health. The mean rise of temperature by 1 degree Celsius accompanied by global warming, climate change and mass extinctions are indicators of Climate Emergency and this is high time when we all must act. To curb the problem in the meeting certain resolutions were adopted and Prof. Ashis K. Mukherjee, Director, IASST announced that IASST will take steps in conserving energy, use more solar energy and reduce the use of air-conditioners. Dr. Devasish Chowdhury, Associate Professor, IASST was moderator of the event.