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A brief overview of green building movement with introduction to LEED, BREEAM, CASBEE sistyem. Factors influencing the movement with a short history.

A brief overview of green building movement with introduction to LEED, BREEAM, CASBEE sistyem. Factors influencing the movement with a short history.

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Green Building Movement Presentation Transcript

  • 1. Pearl River New City- Guangzhou Twin Tower Presented at USMCA 2008 Beijing, China 22-Oct-2008 Copyright: Wilkinson Eyre Architects GREEN BUILDINGS CURRENT STATUS AND PROSPECTS Pranab J Baruah, PhD Research Fellow The University of Tokyo Copyright: Michael Ficeto/Hearst Corporation
  • 2. Building Footprint on GHG Emissions Worldwide share of different sectors in total anthropogenic GHG emissions in C02 equivalent (Year 2005; Forestry includes deforestation) 2.8 19.4 17.4 Green Buildings, USMCA 2008 Beijing 7.9 13.5 7.9 25.9 Data source: Climate Change 2007, IPCC
  • 3. Building Footprint Taking Into account the entire lifespan of buildings… Green Buildings, USMCA 2008 Beijing Source: UNEP SBCI 2006
  • 4. GHG Mitigation Potential in 2030 Building sector : ‘low hanging fruit’ for GHG mitigation Greening building sector : win-win solution Green Buildings, USMCA 2008 Beijing Source: Climate Change 2007, IPCC
  • 5. What is Green Building ★ A Green Building is OFTEN NOT Sustainable Building ★ ★A Sustainable Building is a Green Building★ Sustainable Building NO net impact on environment Green Building Green Buildings, USMCA 2008 Beijing focuses on incremental steps to solve known and measurable problems with our current practice A Greener Building in India may be less green than a normal building in Japan in using energy and resources Greener than average, Greener than baseline
  • 6. Pearl River GREEN BUILDINGS ARE BETTER IN… Tower Community Transport Development Energy Efficiency Indoor Sustainable Environmental Quality Green Landuse Design & Building Green Buildings, USMCA 2008 Beijing Delivery Affordability criteria Process Water Global Resource Environmental Mgmt. Material, Impact Resources Efficiency Affordability Durability 71 story, 2010
  • 7. Ancient Green Buildings !! Ancient Chinese and Indian geomacy principles are similar to several present green building attributes Feng-shui tries to achieve a balance between natural sunlight, air and water within a building Green Buildings, USMCA 2008 Beijing Vastushastra tries to harmonize the flow of energy with exact directions for objects, rooms etc.
  • 8. Modern Green Building (GB) Movement Green Buildings, USMCA 2008 Beijing
  • 9. Factors of Green Building Movement Global warming Climate Change Pollution UNEP-SBCI Mandates Overall UNFCC Directives Environmental IPCC Policies Awareness International Green Buildings, USMCA 2008 Beijing Government Organizations Actions LOHAS Assessment customers Systems Voluntary Creatives Mandatory True-blue greens Business-case
  • 10. Green Buildings, USMCA 2008 Beijing Green Building Assessment Systems
  • 11. BRE Environment Assessment Method (BREEAM) World’s first, BREEAM 2008 Started in 1990 Rating %-age UK Outstanding 85% Building Research BREEAM Bespoke Excellent 75% Establishment Very Good 55% BREEAM Courts Good 45% (BRE) BREEAM EcoHomes Pass 30% BREEAM EcoHomes XB Green Buildings, USMCA 2008 Beijing BREEAM Industrial Voluntary; BREEAM International Mandatory BREEAM Multi Residential Pre-construction & BREEAM Offices Post-construction BREEAM Prisons Review in BREEAM Retail BREEAM 2008 BREEAM Schools London Westminster BREEAM Excellent
  • 12. Leadership in Energy and Environmental Design (LEED) Voluntary, Pre-design US Green Building Green Buildings, USMCA 2008 Beijing Council
  • 13. Comparison of Assessment Systems Assessment systems are either …… (1) Point Value based ( LEED, BREEAM, Greenstar etc.) (2) Life Cycle Analysis (LCA) based (BEES, EcoQuantum etc.) (3) In between (1) and (2) (CASBEE) BREEAM 2008 Green Buildings, USMCA 2008 Beijing LEED-NC
  • 14. Comprehensive Assessment System for Building Environmental Efficiency (CASBEE) Voluntary, Pre & post-design CASBEE for New Construction(2008) CASBEE for New Construction(Brief) Ranks CASBEE for Existing Building Japan CASBEE for Renovation S Green Building CASBEE for Heat Island A Council (JaGBC) CASBEE for Urban Development(2007) Japan Sustainable B+ CASBEE for an Urban Area+Buildings Building Consortium B- (e.g. CASBEE Nagoya) C Green Buildings, USMCA 2008 Beijing (JSBC) CASBEE for Home(2007) BEE = Quality / Load Toyota Headquarter, 2005
  • 15. Green Building is still not an attractive CleanTech (…despite the low or negative costs) Green Buildings, USMCA 2008 Beijing
  • 16. Growing Green Building (GB) Market Growth of LEED •Projects in 69 countries •Annual market for GB product & service: $12 Billion (2008) Growth of CleanEnergy Trio (solar, wind, biomass) •20-50% a year worldwide •~$10 billion by VC firms alone Green Buildings, USMCA 2008 Beijing •~$140 billion investment (2007) China factor •Urban population 44% in 2006 to 70% in 2035 •20 bil. sqm in next 15 years (2 bil. sqm annual construction) •2000-2015, 50% of all new constructions in the world will be in China •Building+ Building material consumes ~45% of energy at present •National Project of Building Energy Conservation, by 2010 $400 bil investment to be 50% energy efficient, save 10 m ton coal.
  • 17. Future Factors •Future of the World is Urban ( in 2008 first time urban pupulation~50% 60% by 2030 ) • half of the world urban area in 2030 is yet to be built 1 2 3 Mandatory Research New Policies by Funding in Green Buildings, USMCA 2008 Beijing Technology governments Integrated (Lean Approach to cement, Design UNFCC & LED Lights, UNEP-SBCI ICT) ICT: Information and Communication Technology
  • 18. Impact of ICT in Greening of Real Estate -Increasing Efficiency & Dematerialization -Impact in Transport, Building, Industry & Power (smart grid) CO2 due to ICT in 2020 Green Buildings, USMCA 2008 Beijing 2002 2020 no reduction Reduce 5 times of what it emits 2020 with reduction reduction by other method CO2 reduction by ICT in 2020 Source & copyright: SMART 2020 The Climate Group
  • 19. Impact of ICT in Greening of Real Estate By 2020 (Data source: SMART 2020 The Climate Group) Energy Efficient Building Design: 0.45 GtC/yr Building Management Systems: 0.39 GtC/yr Lighting Automation: 0.12 GtC/yr Total with other options: 1.68 GtC/yr (Total with ICT 7.8 GtC/yr) Green Buildings, USMCA 2008 Beijing …about $ 340 billion in savings + The China factor How much greening of real-estate happens in China, the biggest builder in coming decades
  • 20. Concluding Remarks COST & Greening of buildings is more of a ECONOMY safety issue & an economic issue Key to get to greener buildings AWARENESS is awareness, mainly of public To create market &spur innovation MANDATES & Green Buildings, USMCA 2008 Beijing Reduce emission, increase efficiency INCENTIVES Assessment systems are good way ASSESSMENT to incorporate integrated design SYSTEMS approach, present with a business APPROACH case, and achieve real efficiency while creating awareness and BUSINESS spurring cost-effective innovation CASE
  • 21. China’s first low energy demo building @Tsinghua University 2005 USMCA 2008 Beijing, China Wed 22 Oct pjbaruah@gmail.com Hearst Tower, NYC LEED Gold, 2006 Copyright: Michael Ficeto/Hearst Corporation