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… A copyright release from the IPCC Secretariat is required if you plan to use any of these figures in a publication. Please contact [email protected] for further information. The caption text for each figure can be found in the notespane/page for each slide. To view the caption, select Notes Pagefrom the ViewMenu.

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IPCC Working Group I���Summary for Policymakers���

���FINAL FIGURES

Please note…

A copyright release from the IPCC Secretariat is required if you plan to use any of these figures in a publication. Please contact [email protected] for further

information.

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.

Figure SPM.1

Figure SPM.2

Figure TS.5

Figure SPM.3

Figure SPM.4

Figure SPM.5

Figure SPM.6

Figure SPM.7

Some consequences…

Weather-related economic damages have increased

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

coral bleaching

Effects on ecological communities

Effects of Global Climate Change

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/

Roadmap

We will discuss the drivers of global climate, anthropogenic effects on these drivers, and

resultant effects on ecological systems.