Solutions for a water-short world.

摘要: The freshwater shortage is emerging as one of the most critical global natural resource issues. At present 31 countries face chronic shortages and this figure expected to rise 48 (encompassing 35% worlds projected population) by year 2025. Population growth rising demands for water irrigated agriculture industrial development massive urbanization living standards are contributing shortage. Pollution has produced a decrease in finite supply at same time that annual withdrawals increasing an average rate 2.5-3.0% each year. combination polluted improper waste disposal poor management been associated with serious public health problems including malaria cholera typhoid schistosomiasis. Prevention crisis requires strategies aimed managing both demand freshwater. Expansion family planning programs developing represents essential measure ensuring population slows sustainable levels relation supply. Just Green Revolution transformed 1960s Blue required now conserve manage supplies. Uncoordinated policies separate jurisdictions must be replaced national level watershed or river basin perspective. international share basins can devise resources more equitably. Development agencies need place emphasis on assuring providing sanitation part programs.