2.1 L ITERATURE R EVIEW ............................................................................................................................................... 10 2.1.1 W ATER .............................................................................................................................................................. 11 2.1.2 A IR Q UALITY ....................................................................................................................................................... 13 2.1.3 E NERGY ............................................................................................................................................................. 13 2.1.4 C LIMATE C HANGE ................................................................................................................................................ 14 2.1.5 R ESIDENTS H EALTH .............................................................................................................................................. 15 2.1.6 F OOD ................................................................................................................................................................ 16 2.1.7 S USTAINABLE C ITIES ............................................................................................................................................. 20 2.2 K EY T AKEAWAYS .................................................................................................................................................... 21
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