raisinman asked
'Based on data from NASA, the World Health Organization and other agencies, the report finds: Severe water shortages affecting at least 400 million people today will affect 4 billion people by 2050. Southwestern states such as Arizona will face other severe freshwater shortages by 2025. Adequate sanitation facilities are lacking for 2.4 billion people, about 40% of humankind. Half of all coastal regions, where 1 billion people live, have degraded through overdevelopment or pollution.'
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