Bhubaneswar: Chief Minister Naveen Patnaik has called all to pledge to protect and respect mother Earth by planting more trees and cutting down on carbon footprints. Taking to twitter on the occasion of World Environment Day today, Naveen wrote “Environment plays a crucial role for existence of human being on the shared planet Earth. On #WorldEnvironmentDay, let’s all pledge to protect and respect mother Earth by planting more trees and cutting down on carbon footprints.”