Climate change may greatly deplete world water supply
Surfersvillage Global Surf News, 17 March, 2009 : - - World water supplies may be severely stressed in coming decades because of climate change linked to the burning of fossil fuels such as coal and oil, and a rising global population.
Here are some facts and projections on water and climate change:
-- Temperatures are likely to rise by between 1.1 and 6.4 Celsius (2.0 and 11.5 Fahrenheit) and sea levels by between 18 cm and 59 cm (7 inches and 23 inches) this century, according to the UN's Intergovernmental Panel on Climate Change.
-- Climate change model simulations for the 21st century see increased precipitation at high latitudes and tropical areas; decreased rainfall in sub-tropical regions.
-- Warming in the western US mountains is projected to cause decreased snowpack, more winter flooding and reduce summer flows, exacerbating competition for over-allocated water resources.
-- Major challenges are projected for US crops near the warm end of their suitable range or which depend on highly utilized water resources.
-- In southern Europe, climate change is projected to worsen conditions like high temperatures and drought, and reduce available water, hydropower potential, summer tourism and crops in general.
-- In Latin America, productivity of some important crops will decrease, while disappearance of glaciers in the Andes will affect water supplies for human consumption.
Read the Full Article at Reuters
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