sentences:  Ongoing sea level rises have already submerged several low-lying islands in the Sundarbans, displacing thousands of people.Temperature rises on the Tibetan Plateau, which are causing Himalayan glaciers to retreat.It has been predicted that the historical city of Thatta and Badin, in Sindh, Pakistan would have been swallowed by the sea by 2025, as the sea is already encroaching 80 acres of land here, every day.