Ключевые слова: acidification, biodiversity, breakdown, catastrophe, climate, collapse, contamination, crisis, decay, deforestation, degradation, depletion, desertification, deterioration, disappearance, disintegration, dissolving, endangerment, erosion, exhaustion, extinction, fragmentation, illustration, melting, overpopulation, planet, pollution, ruination, shrinking, submersion, vanishing, warming,