Ключевые слова: arrow, art, birth rate, color, concept, crisis, crowd, danger, design, earth, eco, ecology, environment, environmental, global, global crisis, graphic, green, group, growing, growth, human, icon, illustration, impact, incline, increase, isolated, issue, level, lifestyle, line, linear, living, modern disaster, overpopulation, people, planet, population, problem, resource, rise, sign, symbol, trend, web, world, worldwide,