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U.N. Intergovernmental Panel on Climate Change Report

March 31, 2014

Climate impacts ‘overwhelming’ – UN

Full Article at http://www.bbc.com/news/science-environment-26810559

By Matt McGrath

The impacts of global warming are likely to be “severe, pervasive and irreversible”, a major report by the UN has warned.

Scientists and officials meeting in Japan say the document is the most comprehensive assessment to date of the impacts of climate change on the world.

Some impacts of climate change include a higher risk of flooding and changes to crop yields and water availability.

Humans may be able to adapt to some of these changes, but only within limits.

An example of an adaptation strategy would be the construction of sea walls and levees to protect against flooding. Another might be introducing more efficient irrigation for farmers in areas where water is scarce.

Full Article at http://www.bbc.com/news/science-environment-26810559

 

Conservative Climate Panel Warns World Faces ‘Breakdown Of Food Systems’ And More Violent Conflict

Full Article at http://thinkprogress.org/climate/2014/03/30/3420723/climate-breakdown-of-food-systems/

BY JOE ROMM

The U.N. Intergovernmental Panel on Climate Change (IPCC) has issued its second of four planned reports examining the state of climate science. This one summarizes what the scientific literature says about “Impacts, Adaptation, and Vulnerability” (big PDF here). As with every recent IPCC report, it is super-cautious to a fault and yet still incredibly alarming.

It warns that we are doing a bad job of dealing with the climate change we’ve experienced to date: “Impacts from recent climate-related extremes, such as heat waves, droughts, floods, cyclones, and wildfires, reveal significant vulnerability and exposure of some ecosystems and many human systems to current climate variability.”

It warns of the dreaded RFCs (“reasons for concern” — I’m not making this acronym up), such as “breakdown of food systems linked to warming, drought, flooding, and precipitation variability and extremes.” You might call them RFAs (“reasons for alarm” or “reasons for action”). Indeed, in recent years, “several periods of rapid food and cereal price increases following climate extremes in key producing regions indicate a sensitivity of current markets to climate extremes among other factors.” So warming-driven drought and extreme weather have already begun to reduce food security. Now imagine adding another 2 billion people to feed while we are experiencing five times as much warming this century as we did last century!

No surprise, then, that climate change will “prolong existing, and create new, poverty traps, the latter particularly in urban areas and emerging hotspots of hunger.” And it will “increase risks of violent conflicts in the form of civil war and inter-group violence” — though for some reason that doesn’t make the list of RFCs.

Full Article at http://thinkprogress.org/climate/2014/03/30/3420723/climate-breakdown-of-food-systems/

 

Other Linkshttp://www.huffingtonpost.com/2014/03/30/un-climate-change-report_n_5060317.html

http://www.nytimes.com/2014/03/31/science/earth/panels-warning-on-climate-risk-worst-is-yet-to-come.html?_r=1

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