EESA11 Week4.docx - EESA11 Environmental Pollution Thursday January 31st 2019 Week 4 Global Climate Change(Part 1 1 A warming Earth Our current climate

EESA11 Week4.docx - EESA11 Environmental Pollution Thursday...

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EESA11 Environmental Pollution Thursday, January 31 st , 2019 Week 4: Global Climate Change (Part 1) 1.A warming Earth -Our current climate represents a warm interval between periods of glaciationoIs earth technically still in an ice age? 2.How is global warming showing itself and why does it matter
- Snow and ice are melting : o Global warming has led to negative glacier mass balance, causing glacier retreat around the world. Records from 1900 to 1980 are showing a net decline in 143 of the 144 mountain glaciers. o Example Rocky Mountains, Scandinavia o o Since 1980 global glacier retreat has increased significantly Average glacier data across large-scale regions (e.g., Europe) show that every region had a net decline from 1960 to 2002, though a few local regions (e.g., Scandinavia) have shown increases. Some glaciers that are in disequilibrium with present climate have already disappeared. - Qori Kalis Glacier: o Of particular concern is the potential for failure of the Hindu Kush and Himalayan glacier melts o

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