Post on 06-Jan-2016
description
Presentation to WRI-UNEP Meeting
Building Connections for Sustainable Building And Construction
by
Iddo Wernick
October 2, 2003
Focus on Mass Flows
More Generally, Large Scale Measures of Environment & Resources
Seek Patterns/Opportunities in Societal Resource Use
Industrial Ecology
Bulk & Specialized Mass Flows
Strategies
Recovery SubstitutionDesign
MATERIAL CONSUMPTION RECOVERY CASCADING ALTERNATIVES
Concrete 378 5%85% of recovered to road base
Fly ash, ag. and metal wastes
Wood 57 Insignificant Mulch, compost, animal bedding, fuel
Wood composites from waste wood
Gypsum 20 Small Animal bedding, soil amendment
FGD, phosphogypsum
Steel 13 85% Depends on scrap quality
Scrap
Brick 16 Insignificant Likely Likely
Asphalt 8.6 75%+ from roads Hot mix for roads -
Glass 3.4 Insignificant? Containers, fiberglass, glassphalt
-
Carpet 2 - 2.5 Insignificant For nylon and recycled carpet plastic
-
Copper 1 Old scrap: 15% of cons. Depends on scrap quality
Scrap
Aluminum 1 Old scrap: 22% of cons.Depends on scrap quality
Scrap
Construction Mass FlowsUS circa 1996
Mass Flows over the Life Cycle
Land
Strategies
Preserve Photosynthesis NPP measureIntegrate
Efficient Resilient?=
•Uniform•Centralized•Lean Design
•Heterogeneous•Distributed•Over Design