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. 2014 Feb 10;111(8):2909–2914. doi: 10.1073/pnas.1322280111

Table 2.

Average JJA near-surface temperature difference (urban expansion/adaptation scenario minus control) for urban and greenhouse gas-induced (mean of 2079–2099 minus mean of 1990–2010) climate change for each of the statistically significant urbanized areas outlined in Fig. 1

ΔTURB* (°C); ΔTGHG (°C) ΔEURB (%); ΔEGHG§ (%)
California
 A2 1.29; 5.51 + (6–26); + (28–110)
 B1 0.69; 0.99 + (3–14); + (5–20)
 Cool roofs −1.45 − (7–29)
 Green roofs −0.24 − (1–5)
 Green–albedo roofs −1.66 − (8–33)
Arizona
 A2 0.94; 4.86 + (5–19); + (24–97)
 B1 0.26; 1.18 + (1–5); + (6–24)
 Cool roofs −0.47 − (2–9)
 Green roofs −0.15 − (1–3)
 Green–albedo roofs −0.80 − (4–16)
Texas
 A2 1.15; 5.24 + (6–23); + (26–105)
 B1 0.71; 1.14 + (4–14); + (6–23)
 Cool roofs −1.24 − (6–25)
 Green roofs −0.46 − (2–9)
 Green–albedo roofs −1.46 − (7–29)
Florida
 A2 0.81; 4.79 + (4–16); + (24–96)
 B1 0.51; 0.97 + (3–10); + (5–19)
 Cool roofs −0.41 − (2–8)
 Green roofs −0.21 − (1–4)
 Green–albedo roofs −0.46 − (2–9)
Mid-Atlantic
 A2 1.15; 6.52 + (6–23); + (33–130)
 B1 0.77; 1.54 + (4–15); + (8–31)
 Cool roofs −1.80 − (9–36)
 Green roofs −1.19 − (6–24)
 Green–albedo roofs −2.02 − (10–40)
Chicago/Detroit
 A2 1.13; 7.57 + (6–23); + (38–151)
 B1 0.78; 1.45 + (4–16); + (7–29)
 Cool roofs −1.37 − (7–27)
 Green roofs −0.85 − (4–17)
 Green–albedo roofs −1.49 − (7–30)

Also shown are projected changes on energy demand (28) for those regions.

*

Urban expansion/adaptation scenario minus control.

Greenhouse gas-induced (mean of 2079–2099 minus mean of 1990–2010) climate change.

Projected changes on energy demand (28) for urban-induced climate change.

§

Projected changes on energy demand (28) for greenhouse-gas-induced climate change.