close-up unrecognizable male eco activist volunteer of social project in support nature planting tree burying young

closeup unrecognizable eco activist male volunteer social project support nature planting tree burying ground young seedling using shovel care environment environmental global ecological gardening park wood ecosystem natural work problem hope workman planet save earth organization help conservation profession renewable dig growing active altruism hobby engaged participation man growth reforestation hold hole sapling bush take working farmer garden farming plants ecology concept grow volunteering holding human life new plant seeding seed protect protection green forest worker helping public leaves people