Activism: The policy or action of using vigorous campaigning to bring about political or social change.
Climate Change:A long-term shift in global or regional climate patterns. Often refers specifically to the rise in global temperatures from the mid-20th century to present.
Environmental Conservation: The practice of protecting the natural environment by individuals, organizations and governments. Its objectives are to conserve natural resources and the existing natural environment and, where possible, to repair damage and reverse trends.