The report says climate change will “prolong existing, and create new, poverty traps, the latter particularly in urban areas and emerging hotspots of hunger" and increase risks of violent conflicts.
Climate Report: Breakdown Of Food Systems, Violent Conflict Likely
Credit: jety
March 31, 2014

And this is the climate group known for being conservative. I suppose the PTB would rather use militarized police to stop hunger riots than to prevent hunger in the first place? Via ThinkProgress:

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.

In short, “We’re all sitting ducks,” as IPCC author and Princeton Prof. Michael Oppenheimer put it to the AP.

AN OVERLY CAUTIOUS REPORT
As grim as the Working Group 2 report on impacts is, it explicitly has very little to say about the catastrophic impacts and vulnerability in the business as usual case where the Earth warms 4°C to 5°C [7°F-9°F] — and it has nothing to say about even higher warming, which the latest science suggests we are headed toward.

The report states:

  • “Relatively few studies have considered impacts on cropping systems for scenarios where global mean temperatures increase by 4°C [7°F] or more.
  • “… few quantitative estimates [of global annual economic losses] have been completed for additional warming around 3°C [5.4°F] or above.”

D’oh! You may wonder why hundreds of the world leading climate experts spend years and years doing climate science and climate projections, but don’t bother actually looking at the impacts of merely staying on our current carbon pollution emissions path — let alone looking at the plausible worst-case scenario (which is typically the basis for risk-reducing public policy, such as military spending).

Partly it’s because, until recently, climate scientists had naively expected the world to act with a modicum of sanity and avoid at all costs catastrophic warming of 7°F let alone the unimaginable 10°F (or higher) warming we are headed toward. Partly it’s because, as arecent paper explained, “climate scientists are biased toward overly cautious estimates, erring on the side of less rather than more alarming predictions.”

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