State of the World 2009: Into a Warming World : a WorldWatch Institute Report on Progress Toward a Sustainable Society
W. W. Norton & Company, 2009 - Nature - 262 pages
The evidence continues to mount: melting ice caps, rising temperatures, increasingly frequent natural disasters. As the devastating effects of global warming come into sharper focus, societies must work to both mitigate greenhouse gas emissions and adapt to ongoing and inevitable climate change. The actions taken in the coming century will be critically important in determining whether or not we can salvage our environment. We cannot shrink from the overwhelming magnitude of climate change or the radical solutions it demands. The Worldwatch Institute's State of the World 2009 investigates a wide range of potential paths to change, including new technology, policy changes, consumption, and finance, with the ultimate goal of mobilizing humanity around climate change and revealing global warming as one of the truly great challenges of our time.
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I have not read the book, but have gone through the Google summary.
I'll repeat a question I asked when the IPCC report came out:
Why weren't the computer models which predicted atmospheric CO2 levels and global temperatures "tweaked" so that these values could have been predicted for various specific levels of world population? Start with six billion people, go down by a half billion, carry it down to two billion people, with separate results for each level.
Would that have been difficult? You know what the total global emissions are for each scenario. Calculate it for the lower population at each half-billion level, and plug it in!
"Decline of population" was mentioned in at least one of the SRES scenario descriptions. Why no follow-through, specifying what it was, and repeating the exercise at various levels of it?
Population reduction is listed as one of the "Ten Key Challenges" in the new report. But the recommendation for doing something about it is wishy-washy. Why hasn't anyone picked up this ball and run with it?