ipcc working group i summary for policymakers final figures filefigure spm.7 . some consequences…...
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IPCC Working Group I���Summary for Policymakers���
���FINAL FIGURES
Please note…
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The caption text for each figure can be found in the “notes” pane/page for each slide. To view the caption, select “Notes Page” from the “View” Menu.
2020s 2050s 2080s
Initially increased agricultural productivity in some mid-latitude regions & reduction in the tropics and sub-tropics even with warming of a few degrees
Questions:
How would you define dangerous alteration of the climate system?
Acceptable alteration?
What should the target of global efforts to limit emissions of greenhouse gases?
Question:
What is the current level of atmospheric carbon dioxide and trends?
http://www.esrl.noaa.gov/gmd/ccgg/trends/