Navigating the IPCC Report - Round 2
  • Navigating the IPCC Report - Round 2

Navigating the IPCC Report - Round 2

The U.N. Intergovernmental Panel on Climate Change (IPCC) is the leading international body for the assessment of climate change.  Created in 1988 by the World Meteorological Organization and the United Nations Environmental Program, the IPCC releases a comprehensive report on the state of the climate every 6-7 years.  This consensus report, known as the Assessment Report 5 (AR5), is based on a global review of scientific articles that were published or accepted before April 2013 by a team of more than 830 climate scientists from around the world.

Click here for the report 

The IPCC report will be released in three different stages:

Working Group I: The Physical Science Basis – Sept. 27, 2013

Working Group II: Impacts, Adaptation, and Vulnerability – March 31, 2014 (Japan)/March 30, 2014 (USA)

Working Group III: Mitigation of Climate Change – April 2014

Quick Links:

Report Summary Graphics Additional Links
Interactive Interview Opportunities  





Report Summary

The IPCC’s Working Group II report, the second of three in the IPCC’s Fifth Assessment - also known as AR5, is being released on March 31, 2014 at 9 am in Yokohama, Japan. This working group report focuses on the impacts and vulnerabilities of climate change, while addressing adaptation (the act of processing and dealing with the effects of climate change). It also evaluates how patterns of risk are shifting because of climate change and considers how adaptation and mitigation can limit these climate-related risks.

Dr. Michael Oppenheimer (Princeton University) is a coordinating lead author of the report and will be available for interviews on Monday. For anyone who is interested, please contact Morgan Kelly with Princeton ( or 609-258-5729) for booking information. 

Here are some of the report highlights:

  • Observed impacts from climate change are widespread and consequential – reaching all continents and across the oceans.
  • Climate change will lead to increased frequency, intensity, and duration of many types of extreme weather.
  • In many regions, changing precipitation or melting snow and ice are altering hydrological systems, affecting water resources.
  • The health of human populations is sensitive to shifts in weather patterns and other aspects of climate change; especially vulnerable are those who are socially, economically, culturally, politically or institutionally marginalized.
  • Climate change over the 21st century will reduce renewable surface water and groundwater resources significantly in most dry subtropical regions, intensifying competition for water among sectors.
  • Plant and animal species are altering their migration and seasonal behavior due to observed climate change, both on land and in the water.
  • The negative effects on global agriculture will continue to outweigh any positive effects from warming that have been observed in the higher latitudes.
  • Food security and food production are threatened as climate change progressively increases inter-annual variability of crop yields in many regions in the context of rapidly rising crop demand.
  • Climate change poses human and national security risks from sea level rise, melting ice, water resource challenges, changing fish stocks and agriculture, and societal displacement.
  • Climate change will have economic impacts, including effects on the health care industry, insurance systems, and transportation infrastructure.
  • We are already committed to certain impacts from climate change because of previous greenhouse gas emissions, but mitigation now can substantially reduce the risks of climate change in the second half of the century.

Click here for the Report Summary from Working Group I

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Additional Links

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Interactive version here








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Bonus: An animated version
from Skeptical Science

Previous Releases - National

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Interview Opportunities

Dr. Michael Oppenheimer
Princeton University
Climate Central Board Member
Coordinating Lead Author
Contact Morgan Kelly for booking information:

Linda Mearns
NCAR Senior Scientist
Lead Author, Chapter 21 (Regional Context)

Brian O’Neill
NCAR Scientist
Lead Author, Chapter 19 (Emergent Risks and Key Vulnerabilities)

Patricia Romero Lankao
NCAR Scientist
Coordinating Lead Author, Chapter 26 (North America)


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Renewable Fuel Standard The federal Renewable Fuel Standard encourages U.S. corn ethanol producers to boost production to 9 billion gallons by 2008.

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