EESA10H3 Lecture Notes - Lecture 3: Polonium, Disinfectant, Cryptosporidium
20 Apr 2016
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Document Summary
Liquid natural capital: earth water planet with 71% covered in salted water, every species needs it, moderating climate, sculpting the earth surface, removing and diluting wastes and pollutants. Quantity of water: 2. 6% is fresh water; out of fresh water only 0. 014% are accessible fresh water; out of that 0. 007% comes from lakes o. World problems: some areas of lots of water but far from agricultural and population center, lots of precipitation arrives. 85% of water use for irrigation is consumed and not returned to water basin: most water used by power plan and agriculture. Check slide 8 for water percentage used in canada united states and china. In canada homes: 35% shower and bath, 30% toilet flushing, 20% laundry, 10% drinking/kitchen, 5% cleaning. Hydrological poverty: one out of 6 people do not have regular access to clean water: diarrheal death kill over 2 million children annually. Annually reports on local drinking water quality, naturally pure water and distilled water.
