IPCC First Report To Confirm Link Between Climate Change And Extreme Weather

IPCC First Report To Confirm Link Between Climate Change And Extreme Weather

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Photo source: ©© Chris Gold

Excerpts;

The United Nations created Intergovernmental Panel on Climate Change releases its first special report today in which it will highlight extreme weather conditions and explore its links to rising greenhouse gas emissions.

Heavier rainfall, fiercer storms and intensifying droughts are likely to strike the world in the coming decades as climate change takes effect, the world’s leading climate scientists said on Friday.

Rising sea levels will increase the vulnerability of coastal areas, and the increase in “extreme weather events” will wipe billions off national economies and destroy lives, according to the Intergovernmental Panel on Climate Change (IPCC).

Scientists have warned of these effects for years, but the new report, “Special report on extreme weather” compiled over two years by 220 scientists, is the first comprehensive examination of scientific knowledge on the subject, in an attempt to produce a definitive judgment.

“This is a window into the future if our political response doesn’t change quickly.”

Read Full Article, Guardian UK


IPCC Report, Press Release, November 18th 2011: Summary for Policymakers of the Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (SREX)

Excerpts; By IPCC

The Summary for Policymakers of the Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (SREX) was approved today by member governments of the Intergovernmental Panel on Climate Change (IPCC).

Rajendra Pachauri, Chair of the IPCC, said today: “This summary for policymakers provides insights into how disaster risk management and adaptation may assist vulnerable communities to better cope with a changing climate in a world of inequalities”.

“It also underlines the complexity and the diversity of factors that are shaping human vulnerability to extremes–why for some communities and countries these can become disasters whereas for others they can be less severe,” he added.

Qin Dahe, Co-chair of IPCC Working Group I, which together with Working Group II was responsible for the development and preparation of the report, said: “There is high confidence that both maximum and minimum daily temperatures have increased on a global scale due to the increase of greenhouse gases.”
“Changes in other extremes, such as more intense and longer droughts are observed in some regions, but the assessment assigns medium confidence due to a lack of direct observations and a lack of agreement in the available scientific studies. Confidence in any long-term trend in tropical cyclone intensity, frequency or duration is assessed to be low,” he added.

Regarding the future, the assessment concludes that it is virtually certain that on a global scale hot days become even hotter and occur more often. “For the high emissions scenario, it is likely that the frequency of hot days will increase by a factor of 10 in most regions of the world”, said Thomas Stocker the other Co-chair of Working Group I. “Likewise, heavy precipitation will occur more often, and the wind speed of tropical cyclones will increase while their number will likely remain constant or decrease”.

“Nevertheless, there are many options for decreasing risk. Some of these have been implemented, but many have not. The best options can provide benefits across a wide range of possible levels of climate change.” said Vicente Barros, Co-chair of Working Group II.

Chris Field, the other Co-chair of Working Group II, added: “We hope this report can be a scientific foundation for sound decisions on infrastructure, urban development, public health, and insurance, as well as for planning—from community organizations to international disaster risk management.”
“I would like to thank the scientists and experts who served as authors and review editors as well as the many expert reviewers for producing a comprehensive and scientifically sound summary and report,” said Mr Pachauri…

IPCC

The Summary for Policymakers of the SREX, Special Report, Original

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