EARTHSC 2WW3 Lecture Notes - Lecture 1: Physical Water Scarcity, Economic Water Scarcity, Water Scarcity
25 Jan 2019
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Document Summary
Projected water scarcity: southern hemisphere will have economic and physical water scarcity, the middle east and parts of india and china will have physical water scarcity, the northern hemisphere will have water security. It is projected that africa, asia, australia and south america will face many water scarcity issues. Question: how much of that freshwater is stored in glaciers. The world"s water: 97% salt water, 3 % freshwater, 68% of the world"s freshwater is in glaciers and permanent snow, 1% of water is usable, glaciers melting is a problem. Water rich : brazil has the most water resources, amazon, many rivers, brazil, russia, canada, indonesia, china. Iceland is the most water rich per capita. Water in canada: canada is a very rich water nation, but not everyone in canada has access to the same water, first nations suffer the most. Initially humans organized almost exclusive around water sources (lakes, beaches: nile, mesopotamia, mediterranean.
