"Renewable Energy Transitions: Comparative Assessment in the Hindu Kush Himalayas, Andes and Alps,” to be held in virtual mode on three consecutive days, April 7–9, 2021, each day from 7am-9:30am U.S. MST (12:00-14:30 Argentina time, 16:00–18:30 Central European time, 19:45–22:15 Nepal time).