Towards a green economy

List of figures Figure 1: Commercial and residential floor space in China, the EU, Japan and the USA (2003) . . . . . . . . . . 340 Figure 2: IPCC projections of CO2

mitigation potential in 2030 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342

Figure 3: Investment potential for new construction and building retrofits relative to the current sustainability level of building construction in representative countries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 Figure 4: Fuel consumption and greenhouse gas emissions in the building sector: current, reference and mitigation scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352 Figure 5: Total power demand per year in buildings sector 2010–2050. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358 Figure 6 : Total CO2

emissions per year in buildings sector 2010–2050 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358

List of tables Table 1: Projected CO2

emissions from buildings to 2030 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341

Table 2: Summary of the major opportunities for green buildings in different sectors . . . . . . . . . . . . . . . . . 345 Table 3: The economics of global building transformation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 Table 4: Financial benefits of green buildings (US$ per sq.m) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355 Table 5: Twenty-year net economic impact of a US$ 1 million investment in green building improvements: Illustrative examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 Table 6: Emissions intensity in the GER model simulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359

List of boxes Box 1: Life cycle cost for a commercial office in a tropical climate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 Box 2: Residential construction in China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 Box 3: Retrofitting existing office buildings in the USA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 Box 4: Water savings in a 4-person single house . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353 Box 5: The social dimension of green buildings: implications for decent work and poverty reduction . . . . 356 Box 6: The rebound effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359 Box 7: Reliable measurement and accounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 Box 8: Tools to promote the greening of buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366

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