Schlepping Toward Sustainability...– Keep windows rolled up when driving at speed. – Remove roof...
Transcript of Schlepping Toward Sustainability...– Keep windows rolled up when driving at speed. – Remove roof...
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Schlepping Toward Sustainability:
One Couple’s Quest to Shrink Its Environmental Footprint
Steve GreenbergOperator
Ordway Solar Power Plant
Building Sustainability at CalUC Berkeley
November 15, 2010
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Outline
• Global thinking• Local acting
– Example: a couple from the People’s Republic of Berkeley
– You
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What do we know about climate?
• “Unequivocal” that the earth’s climate is warming
• More than 90% certainty that human emissions of CO2 and other greenhouse gases are the cause
(Findings from IPCC 2007 WGI, AR4)
Slide courtesy Jon Koomey
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Going, going, gone?
The difference between median minimum arctic ice coverage and the extent on Sept. 16, 2007 is equal to the area of Alaska and Texas combined (2.61 M sq. km or 1 M sq. miles). http://nsidc.org/news/press/2007_seaiceminimum/20070810_index.html
Median 1979-2000September 21, 2005September 16, 2007
6.74 M square km5.32 M square km4.13 M square km
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Regional climate change good news
• A one-meter rise in sea level would return the size of San Francisco Bay to its 1850 glory
Bay Conservation and Development Commission
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Regional climate change bad news
• That same one-meter rise in sea level would flood $100 Billion in real estate and infrastructure
Bay Conservation and Development Commission
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Our options
• Adapt–modify human systems to make them more flexible and resilient
• Suffer–accept what comes (but what comes is likely to be costly in lives, ecosystem damage, and economic disruption)
• Mitigate–reduce emissions
Slide courtesy Jon Koomey
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Laurels(?)Per Capita Residential Electricity Consumption
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CaliforniaUnited States
US up 60% since 1973
Cal up 14% since 1973
California Population: 21M in 1970, 28M in 1990, 37M in 2005
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Halting growth in world carbon emissions is not enough
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Change in world temperatures World C emissionsContinued growth and flat emissions scenario are taken from the IIASA GGI database (A2r and B2, respectively). Stabilization case is adapted from the B2 480 ppm scenario. http://www.iiasa.ac.at/web-apps/ggi/GgiDb/
Slide courtesy Jon Koomey
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Those Berkeley Wackos, (part 1)Berkeley City Slogan(?)
Don Asmussen, 2008 SF Chronicle
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Those Berkeley Wackos, (part 1, con’t)
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Those Berkeley Wackos, (part 1, con’t)
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Those Berkeley Wackos (part 2):
Berkeley Climate Action Plan• Homes and business to produce as much
energy as they use by 2050• Residents and workers rely on public
transit, walking and biking • Cars would run on alternative fuels and
electricity • No waste would be sent to landfills • Most of the food eaten in Berkeley would
be produced within a few hundred miles Adopted June 2009www.BerkeleyClimateAction.org
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American Gothicby Grant Wood, 1930
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Berkeley Gothicby Don “The Bad Reporter” Asmussen, 2008
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Liz and Steve (Those Berkeley Wackos, Part 3)
by John Lee, 2008
“A Deeper Shade of Green: Counting Volts in Berkeley”, Sam Whiting, SF Chroniclehttp://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/06/22/CM3L10HMNE.DTL
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1440 Ordway: Measures to Date
• Wall and ceiling insulation• Solar domestic water heating system• Fluorescent lighting• Energy Star appliances• Standby loss reduction (80W residual inc. lighting)• Photovoltaic (solar electric) systems• Electric vehicle• Window and door retrofits• Low water use fixtures, turf removal, drip irrigation,
informal gray and rain water use
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Solar Water Heater, Cool Roof
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Lightbulbs are a good start, but
Bizarro, June 2007
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A Solar “Barn Raising”:Ordway Solar Power Plant Unit One
Off with the old roof…
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…out with the old rafters…
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…in with the new.
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New roof deck (sustainable lumber)
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…roofing, then posts and racks for the array of modules…
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…almost there, cookie break…
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…aligning the first module…
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….the modules go on with a blur…
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Sit of approval from InspecteurCatseau.
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Solar Power Plant Unit One,Skylights, Solar Clothes Dryer, Neighbor’s PV
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Electric Car added in 2004
• Greatly reduced our gasoline usage (~80%)• Wiped out surplus PV electricity (3 mi/kWh)
Dontcrush.com became PlugInAmerica
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Ordway Solar Power Plant Unit 2
Like Unit 1, grid-tie only; 2.5 kW AC rating
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Ordway Solar Power PlantUnit 2
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Units 1 and 2, Neighbor’s PV and Sunroom, Berkeley EcoHouse
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“Westbrae Solar Power Collective”Keeping Up with the Joneses, Berkeley Style
Solar PV systems to date: 38
Solar DHW systems to date: 12
Alternative fuel vehicles to date: many (biodiesel, SVO, electric, CNG)
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Ordway Solar Power Plant Annual Totals
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Carbon Comparison
• Typical US household annual carbon footprint:
– 38,000 pounds CO2e:• electricity 16,000 (11,000 kWh)• natural gas 9100 (760 therms)• gasoline 9500 (560 gallons)• jet fuel 1300 (980 miles)
• OSPP carbon footprint:– 9,000 pounds
• electricity -5100 (-4200 kWh)• natural gas 250 (21 therms)• gasoline 820 (42 gallons)• jet fuel 13,000 (ca. 10,000 miles)
• SF Area PG&E:• Electricity 5600 kWh• Gas 640 therms
– Bonneville Environmental Foundationhttp://www.b-e-f.org/calc
-10,000-5,000
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Gasoline Jet Fuel
Average USOrdwayLocal PG&E
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1440 Ordway: what next?(continuous improvement)
• Additional insulation (floor, etc.)• Cistern for rain water use• Waste water heat recovery• On-demand hot water pump(s)• Fireplace removal• More vampire/standby eradication• More window retrofits• Hydronic heat pump space and water heating system• Certifications:
– Wildlife Habitat (NWF) www.nwf.org/backyard– Energy Star or LEED (when available)– Bay-Friendly Garden www.stopwaste.org/home/index.asp?page=8
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Power-pipe drainwater heat recovery
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All-electric home?
If done well, can be very green
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Berkeley Climate Action PlanOrdway Solar Power Plant Report Card
• Homes and business to produce as much energy as they use by 2050 – DONE 48 years ahead of schedule
• Residents and workers rely on public transit, walking and biking– DONE 51 years ahead of schedule
• Cars would run on alternative fuels and electricity – DONE 46 years ahead of schedule
• No waste would be sent to landfills– Still room for improvement at typical 6 oz/week
• most of the food eaten in Berkeley would be produced within a few hundred miles – Probably not; more data needed
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What you can do• Make a commitment• Set goals• Baseline your impact• Plan steps of progress• Implement plan• Track progress • Iterate
Try “Low Carbon Diet” with Berkeley Ecology Center materials:
http://ecologycenter.org/climatechange/
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You can’t manage what you don’t measure
P3 International Kill-a-Watt Electricity Usage Monitor. $22 at Amazon.com. Measures watts, kilowatt-hours (over time), and other stuff. Just plug your device into it and plug it into the wall, and you’re ready to go.
Slide courtesy Jon Koomey
Read your electric, gas, and water meters and track usage
Track your vehicle fuel usage and air miles
Plug loads:
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Footprint Calculators and Offsets
• Cool California:– http://coolcalifornia.org/calculator
• Wikipedia—links to eco, carbon, water:– http://en.wikipedia.org/wiki/Ecological_footprint#External_links
• Earthday Footprint/Redefining Progress– http://www.myfootprint.org/
• Nature Conservancy– http://www.nature.org/initiatives/climatechange/calculator/
• Bonneville Environmental Foundation– http://www.b-e-f.org//carbon/calc
• Terrapass– http://www.terrapass.com/
• Others…
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Show and tell—some ideas• “Don’t leave home without them”
– Nylon, not paper or plastic– Bandana vs. paper towels, napkins– Travel mug, water bottle vs. disposables
• Low and no-cost home energy savers– Compact fluorescent lamps– Showerheads– Clothesline– REAL duct tape for sealing ducts– Switches
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Show and tell—more ideas• Water savings
– Showerheads (again!)– Aerators– Shut-off valves– Shut-off nozzles– Water-use measurement– Leak detection
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Solar Clothes Dryers• 1 GW at California peak for Residential Clothes
Dryers– Ideal time for drying
• Non-energy benefits (e.g.)– Clothes smell better, last longer– Kills germs– Fewer fires (13k/yr: 15 deaths, 300 injuries--FEMA)
• Need to change restrictionshttp://right2dry.org/
http://www.laundrylist.org/
(National Hanging Out Day, etc.)
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Solar Clothes Dryers
"We must all hang together, or most assuredly we will all hang separately."
- Benjamin Franklin
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Home Energy Retrofits– Insulate walls, ceilings, floors, and water heaters
– Do a blower door test + seal air leaks
– Install high performance shower heads
– Scrap and replace an old refrigerator (see PG&E)
– If replacing windows anyway, buy R-5 units; see DOE’s R-5 program at https://www1.eere.energy.gov/buildings/windowsvolumepurchase/
– Lots of others—do or get an audit• Deep retrofit (~70% reduction)
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Behavior is very effective and free
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Occupants Matter
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Control Home Energy Use• No-cost
– Turn it off/unplug it when not in use (be a vampire slayer)
– Thermostat management– Shut off pilot lights in summer
• Low-cost– Buy (and properly use!) a programmable thermostat– Put motion sensors on lights– Power strips/plug in switches
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Transportation Options
• Telecommuting • Live near school, work and play• Car pooling• Trip merging• Mass transit• Bicycling• Walking (we have feet…)
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Driving: no-cost techniques to save lives, $, the planet
• Drive slower!• Enhance aerodynamics:
– Keep windows rolled up when driving at speed.– Remove roof racks when empty
• Accelerate slo-o-owly. • Maintain constant speed - decelerate & accelerate gently, and only when required.
– Choose a speed slightly below the flow of traffic (right lane!) so fewer speed changes are required. – Predict traffic changes far ahead. – Use cruise control if you find your speed creeping up every time you look at the speedometer
• The accessory that uses the most engine power is the AC system. Use it only when needed
– Better to use than open window at speed. • Use mpg gauge to play the "I can use less energy thanTHAT!" game.
http://www.scangauge.com/• Fresh Wax job. (optional)• Proper tire inflation, low rolling resistance tires • Check out http://www.ecodrivingusa.com/• Drive slower!
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Honda Civic VX(with trashed aerodymamics)
47 mpg EPA rating, 43 mpg real average (but NOT as shown!)
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Bicycles are not just for recreation and sport!
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Bicycles are for transportation
• OSPP2 (~750 pounds) all hauled with bike trailer http://www.bikesatwork.com• UC Berkeley bicycle resources: http://pt.berkeley.edu/around/bike• Bicycle Friendly Berkeley Coalition: http://www.bfbc.org/• East Bay Bicycle Coalition: http://www.ebbc.org/
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Transportation Resources• Safe Routes to School and
Transit:– http://www.saferoutesinfo.org/
• Bicycle Friendly Communities (and Universities):
– http://www.bikeleague.org/programs/bicyclefriendlyamerica/
• Local/regional (TripPlanner, RideSharing, etc):– http://www.511.org/
• Clipper (was Translink):– https://www.clippercard.com/
• Spare the Air:– http://www.sparetheair.org/
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Energy Information• Home energy saver (DIY audit):
– http://hes.lbl.gov/• PG&E (rebates, info resources):
– http://www.pge.com/myhome/• Energy Star (appliances, equipment, homes):
– http://www.energystar.gov/• Home Energy magazine:
– https://www.homeenergy.org/• Solar California (rebates, tax credits):
– http://www.gosolarcalifornia.ca.gov/
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Bay Area Home Efficiency Services(sample)
• Advanced Home Energy www.advancedhomeenergy.com
• Solar City Efficiency (was Building Solutions) www.solarcity.com/residential/efficiency/
• Energy Beyond Designhttp://energybeyonddesign.com
• Peralta Energy Group http://gosolar.org
• Recurvewww.recurve.com
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More you can do
• Reduce your materials use and impacts– Recycle, – Precycle: http://www.goodguide.com– Freecycle: http://www.freecycle.org
• Eat lower on the food chain• Buy local• Buy green power or offsets• Travel less• Check these out:
– http://www.storyofstuff.org– http://www.fightglobalwarming.com– http://www.arb.ca.gov/cc/cc.htm
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Recycling, Hazardous Waste, and Water Information
California Urban Water Conservation Council:www.h2ouse.org
East Bay Municipal Utility District: www.ebmud.com/environment/conservation-and-recycling/watersmart-center
Water
Stop Junk Mail: http://www.stopjunkmail.org
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Take-aways
• We owe the future to begin now• Make commitment to act, and follow
through– Baseline and track your impact– Plan and implement steps of progress– Iterate
• Boulding’s First Law: Anything that exists is possible…
• Save the planet for fun and profit!