Keywords:

Abstract, Balance, Carbon, Color Image, Concepts, Crisis, Crowd, Ecology, Ecosystem, Footprint, Globe, Green, Ideas, Illustration, Illustrative Technique, Large Group Of People, Mixed Age Range, Nature, People, Planet, Power, Social Cause, Social Issues, Square, Tree, Unity, Accord, Agreement, Ball, Biology, Circle, Color, Concepts And Topics, Conceptual, Control, Crowded, Earth, Emergency, Energy, Environmental Science, Environmentalism, Footstep, Force, Gather, Gathering, Green Politics, Group, Harmony, Illustration And Painting, Imagination, Imprints, Many, Marks, Mass, Might, Multitude, Natural, Natural Balance, Natural Science, Sense Of Balance, Sphere, Stability, Steadiness, Strength, Supremacy, Trace, Track, Unanimity, Union, World, World Power, Overpopulation, Environmental damage, Green activism, Green activists