ENVR 200 Lecture Notes - Lecture 17: Crop Yield, Family Values, Thermal Expansion
28 Aug 2016
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Document Summary
The degree to which a system is affected by elements of climate change. Systems may be sensitive to magnitude, frequency and variability. Direct (change in crop yield) and indirect (costal flooding) effects will occur. The degree to which a system is susceptible to adverse effects of climate change. Character, magnitude and rate of climate change, as well as adaptability affects this. Different scenarios for future human behaviour produce different results. A1: rapid economic growth and rapid introductions of new and more efficient technologies. A2: a very heterogenous world emphasizing family values and local traditions. B2: emphasizing local solutions to economic and environmental sustainability. The b1 scenario is the best in terms of reducing carbon emissions. Temperatures in oceans and on land are warming overall. Generally, dry places will become drier and wet places will become wetter. Sea levels will continue to rise due to thermal expansion and ice melt. Environmental refugees are created as areas become uninhabitable.
