Green world is a symbol of good social order in the society. This Green Marathon project organized by a scouters team named "Smile Bringers" on the occasion of International Day of Peace 2020. Many rover scouts participated this program as their unit ambassador. We the new generation owe the basic responsibility of protecting our green world. Consequently "Comilla University Rovar Scout Group" has taken climate actions by planting trees and discussed about the strong relation between a strong peaceful environment. There are many environmental issues facing our green world today. Environmental protection is a major concern in today's society. The environmentalists and the government as well as we all have to pay attention on the environmental issues affecting the green world today. We shall put all our efforts to go green and protect our green world.