GEOG 2040Y Lecture 21: Climate for Change? (Mar. 30)
13 Feb 2016
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Document Summary
Climate change having a symbolic meaning such bad keepers of the land that it. Changing rainfall patterns causing both floods and droughts. Species extinction (already seeing this in many ways, example: coal reefs) Threat to global stability and security (resource scarcity) Falling crop yields in many areas, particularly developing regions. Possible rising yields in some high latitude regions. Small mountain glaciers disappear water supplies threatened in several. Significant decreases in water availability in many areas, including. Rising intensity of storms, forest fires, droughts, flooding and heat waves. Risk of abrupt and major irreversible changes. Increasing risk of dangerous feedbacks and abrupt, large-scale shifts in the climate system. Latest report by ipcc in 2014 argues that fossil fuels must be gone by 2100 or we will pass a tipping point into a future calamity. United states and china reach deal on ghg emissions (2014); obama vetoes approval of the keystone pipeline (2015)
