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Chapter 4: Urban
Pages 47-52

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From page 47...
... It provides a very good discussion of governance and management at the urban scale that influence carbon emissions, and it distinguishes what is controllable from what is uncontrollable due to decisions being made at larger state to national scale or the long turnover time of built infrastructure. This chapter, which follows the Energy chapter that focuses on energy production, would be strengthened by including a brief discussion of energy consumption patterns in North America and by sharpening the introductory section so that the rationale for singling out urban areas is highlighted.
From page 48...
... The urban chapter has a very thorough section documenting Societal Drivers, which seems to provide the specific examples of carbon being embedded in societal activities that is the key finding for chapter 6. Is there sufficient cross reference between these chapters?
From page 49...
... The confidence in this finding seems to be understated and could be "high confidence and very likely", rather than medium. The first sentence in of the introduction section clearly states that carbon fluxes resulting from urban activities account for 80% of the total North American anthropogenic CO2 flux to the atmosphere.
From page 50...
... A second would rank total carbon flux or per capita flux for specific urban areas. The table of urban carbon budget studies might be accompanied by a table that summarized some quantitative results from those studies.
From page 51...
... P182, Line 31-36 This section is mainly qualitative, and more quantitative trend analyses are needed. P184, Line 19 Presumably this sentence means positively correlated; that should be stated explicitly, or phrased as consumption increases with area per person, or is it more informative to state that consumption is inversely proportional to urban density?
From page 52...
... In this chapter it wasn't exactly clear how agricultural products are treated. Agriculture is noted explicitly as a city process, but doesn't clearly show up as an upstream process.

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