blue is the new green - public sector
DESCRIPTION
Presentation to 500 people at the 11th Annual Municipal Green Building Conference and Expo in Los Angeles on April 26, 2012.TRANSCRIPT
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Cool Water:Blue is the New Green
JERRY YUDELSON • GLUMAC • LOS ANGELES/IRVINE
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Key Take-Aways
Water is the next big (green) thing
International experience and technology can be adapted for U.S.
Major opportunities: builders, owners, project designers, facility managers, public sector & contractors
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Why Water Efficiency?
Water: 21st Century oil
Freshwater supply limited
Population/urban growth: creates large water footprint
Global climate change
Major droughts ahead
Water conservation - the law!
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Water is the Oil of the 21st Century
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Water Will be the Oil of the 21st Century
Resource conflicts
Existing water sources fully allocated
Next urban/rural battleground
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Cool Water:Blue Is The New Green
JERRY YUDELSON • YUDELSON ASSOCIATES • TUCSON, ARIZONA
Our Watery Planet
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Freshwater is inherently limited
No more water since Adam & Eve
Usable freshwater a tiny fraction
Much too polluted to drink
Aquifer depletion for water supply widespread in the U.S. & world
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Freshwater Supply is VERY Limited
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Water Footprint of “Stuff”
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Global Climate Change
Much of world (& CA) supplied in summer with snowmelt
Changes in climate = smaller snowpack, larger spring runoff, greater flooding, reduced summer stream flows, higher evapotranspiration, less soil moisture, more irrigation required, etc.
Water pricing for conservation will be huge issue
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Climate Change – The Largest Risk
When it comes to the future of water, "we are, on many levels, completely and totally hosed.”
The water cycle itself is changing.
As temperatures rise due to climate change, evaporation and precipitation increase, and the atmosphere holds more water. Predictably, the condition should lead to increasingly severe storms and floods in some parts of the world, with prolonged, more intense droughts elsewhere.
"We can expect extreme extremes,” which could lead to greater conflicts over water.
- Jay Famiglietti, Director, UC Berkeley, Center for Hydrologic Modeling
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Water/Energy Nexus
Water supply = energy use
Energy supply = water use
By 2020’s: Not enough water for energy, or enough energy for water!
Lake Lanier, Atlanta, GA
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Water Conservation vs. Water Efficiency
Conservation means less total use per capita
Efficiency not = conservation
Behavior modification
Unintended consequences
“Virtual reservoir”
Reduces peak demand
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Major Droughts Since 2006
In the U.S.
Atlanta
South Texas (Austin/San Antonio)
California
Murray-Darling Basin, Australia’s Largest River
In Australia
Every major city
Murray-Darling basin
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Australia
20 million people
Most live near the coasts
Except for tropics, country is quite dry
Global climate change moved storm tracks south
Biggest drought in 117-year recorded history 2005 - 2010
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Australia
Coordinated response by national & state governments
$13 billion plan ($650 per person)
Water restrictions in urban areas
Product innovations
WELS rating mandatory for products since 2006
Product innovations come out of mandatory labeling
Rainforest in Tasmania, Australia
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Australia
Plumbing industry front and center
Large water utilities now recycle water to homes
Public is cooperating
Desalination adopted as fallback option
Water-free urinals
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Australia: Another Example
“Sewer mining” gaining interest
One Bligh Street in Sydney – 30 Story LEED Platinum
Makeup water for cooling towers/toilet flushing
Take water from city sewer, treat on site, reuse, return
Onsite blackwater treatment gaining adherents
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Australia: Lessons Learned
In a crisis, everything’s on the table
Easier to do big things politically
System favors (big) long-term solutions
Don’t neglect public participation
New technology can be mandated in crisis
Exotic solutions can be tried and evaluated
Murray-Darling — Australia’s Largest River
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Blue/Green Issues
Water shortages/droughts in many states
Financial/regulatory incentive programs work
Green certification programs such as LEED
Rising costs for water supply and sewage treatment
Stakeholder concerns; political and regulatory changes
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Inhibiting Forces
Water is still cheap
High-water-use lifestyles preferred
Law of unintended consequences
Codes take time to change
Lack of whole systems thinking
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What Should the Public Sector Do?
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Public Sector Actions?
Instill conservation ethic
Price for conservation
Incentivize retrofits
Regulate new buildings
Public education
Develop new supplies
Achieve “20% by 2020”
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Water Conservation Requires New Pricing
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Where Does This Leave Business?
A very dynamic future: much opportunity
New technologies, systems, approaches
New products/markets
Need to address larger questions of supply security and cost
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Bottom Line: Design & Renovate More Water-Efficient Buildings
What will Green & WaterSense® buildings look like in 2015?
Net zero water use
Onsite treatment/reuse
NEWater from many sources
Far more efficient systems
Designed by “Whole Systems Engineers”
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The Future is Green (and Blue), But…
If you want to score, run to where the ball is headed, not to where it is.
Ask yourself: what will built environment look like in 2020? What will be the Next Normal? How can we get there?
Will non-green/non-blue buildings & homes pay a market penalty?
Spain Wins FIFA World Cup 2010
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Water: Dry Run
“An invasion of armies can be resisted, but not an idea whose time has come” – Victor Hugo
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THANK YOU!
Jerry Yudelson