1. Session VII SUSTAINABLE DESIGN FOR THE FUTURE MEETING THE 2050 CHALLENGE Mahadev Raman Director for Social Infrastructure, Arup

2. Mahadev Raman November 6 th, 2009 Mahadev Raman November 6 th, 2009 MEETING THE 2050 CHALLENGE

3. . Courtesy of Science Photolibrary Our Environment

5. Buildings in the US emit 9% of global CO 2 That is 2337m metric tons per year Emissions have been growing rapidly

7. 1990199219941996199820002002200420062008201020122014201620182020202220242026202820302032203420362038204020422044204620482050 DomesticIndustrial BuildingsCommercial OfficesCommunication & Transport EducationGovernmentHealthHotel and Catering OtherRetailSport and LeisureWarehouse NOW Built environment contribution to UK greenhouse gas emissions Carbon Dioxide Emissions

8. Seattle’s 2007 greenhouse gas reduction plan: 7% below 1990 levels by 2012 30% below 1990 levels by 2024 80% below 1990 levels by 2050

10. By 2050: Population growth from 306m to 438m 40% increase in building stock 70% of current buildings still in use Current buildings are 50% of the stock

12. What we need to do: New buildings consume 15% of current use That means 70% below current code Existing buildings 50% below current use That means massive investment!

13. Beddington Zero Energy Development, United Kingdom Beddington Zero Energy Development - BedZed

14. California Academy of Sciences

15. Syracuse Center of Excellence

17. Destiny, Florida, USA Destiny Florida

18. Destiny, Florida, USA Carbon Reduction Strategies

19. Renewable Energy: 300GW of new capacity by 2050 That is 200sf of PV on 120m dwellings 7.5GW/yr for buildings, 15GW/yr total Currently 5.5GW/yr – 90% wind energy

20. ©Frank van Mierlo Consumption 15 TW Wind 370 TW Solar 89,000 TW Renewable Energy Abundance