1. Land Use & Mobility

2. Energy System

3. Water System

4. Information System

5. Conventional view of achieving environmental quality (market approach) – Kuznets curve – but what about time lags, threshold effects, irreversible changes?

6. Skip 20 th C. Approaches

7. Energy Water Food Materials Reduced HEAT C - Neutral Zero Net Waste Water Zero Net Biomass Waste Zero Net Waste Biomass Water Food Materials Energy Future Increased Value Added: Economic output Wealth Quality of Life Diminished Inputs & Outputs of Energy & Materials Coupled & Cyclic Flows

8. Chicago, Illinois USA

9. North American Great Lakes: Total population – 34 M 20% of global freshwater supply. Largest continuous freshwater mass. –Highly vulnerable: –Spatial constraints. –Urban/industrial centers. –Shipping

10. 1900 – Reverse the flow of the Chicago River Source: UrbanLab Design Idea

11. Indicates the location of the Eco-boulevards Source: UrbanLab UrbanLab’s Vision: Growing Water

12. Source: UrbanLab

13. Biomimicry Decentralization, distributed Integrated systems Reduced water & energy use Renewable energy Guiding Principles: Closed-loop Reduction of synthetic chemicals High density Couple energy + water + land use

14. “Living Machine” Wastewater Treatment Lake Michigan Membrane Filtration Drinking Water Treatment Dual Water System Water to Water: Reengineering the “Nature” of Chicago’s Water Cycle for 2107

15. “Living Machine” Wastewater Treatment Lake Michigan Membrane Filtration Drinking Water Treatment Dual Water System Water to Water: Reengineering the “Nature” of Chicago’s Water Cycle for 2107 Membrane Potable Water Treatment 20 decentralized treatment stations near Lake Michigan for freshwater withdrawal Tiered treatment train combining micro-, ultra-, and nanofiltration Achieves superior water quality by removing: Standard pathogens (E.Coli, giardia, cryptosporidium, viruses…) Colloids and nanoparticles Synthetic organic compounds including endocrine disrupting chemicals Micro 0.1μ Ultra 0.01μ Nano 0.001μ Coarse 1.0μ High turbidity from storms in Lake Michigan can clog membranes When sensors detect elevated turbidity: Cationic polymer coagulant added Coarse microfiltration system brought online Retentate and backwash flows discharged to wastewater treatment UV Pathogen protection ensured through in-line UV stations located throughout distribution system Biochip sensors detect pathogen presence and activate UV UV LEDs provide high energy efficiency No chlorine residual required Avoids disinfection by-product formation Decentralized UV Disinfection SS C