Water crisis Acid rain 1 Bio terrorism 1 Deforestation 1 Dying of thirst 1 Ecology 1 Emergency management, Disaster 1 Endangered planet 1 Environment issues 1 Every thing for sale 1 Famine 1 Global warming 1 Greenhouse effect 1 Hypercane 1 Man made disasters 1 Megathrust Earthquake 1 Peak Oil 1 Politics of Water 1 Sea level rise 1 South India 1 Technological singularity 1 Terrorism disaster 1 water theft 1