The correct option is A Chipko Movement
Sunderlal Bahuguna is an environmentalist and Chipko movement leader. He fought for the preservation of forests in the Himalayas and against constructing large dams. In the rural Himalayan region, foreign based logging companies were attracted to the region's vast forest resources. Although villagers depended on the forest for subsistence, government policy denied them lumber access. Chipko protest meaning "tree hugging" a technique of non-violent resistance was applied. This helped save trees and forests from cutting by forest contractors. Hence, option A is the correct answer.