Sustainability
Susan McFaddin, PhD, LEED-AP, CEM
Economics –
the study of the allocation of scarce resources to unlimited wants.
Externalities –
benefits and costs that you don’t pay for
Sustainability
Sustainability meets the needs ofthe present withoutcompromising theability of futuregenerations to meettheir own needs.
UN Brundtsland Commission 1987
Pacific Gyre
From: Green to Gold by Dan Esty and Andrew Winston
Conventional vs UFAD
Employer Costs
Rules of Thumb
$1 – Energy
$10 - Rent
$100 - Salaries
West Bend Mutual Insurance Company(West Bend, WI)
Average Worker Executive
Salary $ 60,000 $ 120,000
Benefits 30% $ 18,000 $ 36,000
Total Cost $ 78,000 $ 156,000
Square Feet per employee 250 400
Employee Cost/ Sq ft $ 312.00 $ 390.00
15% Increase in Productivity $ 46.80 $ 58.50
5% Increase in Productivity $ 15.60 $ 19.50
Lawrence-Berkley Study
Absenteeism and Recruiting are also improved
Adobe Towers LEED-EB
Energy Efficiency Measure Capital Cost
Annual Energy Savings
Payback Period ROI
Motion Sensors for HVAC in all Conference Rooms $37,500 310,438 kBtu 8 months 140%
Reprogrammed Garage Lighting $55,267 76,713 kBtu 11 months 115%
Installed VFD on Chiller $65,000 87,265 kBtu 7 months 163%
Surge Protectors and Motion Sensors for each Office $104,750 148,498 kBtu 5 months 253%
Retrofitted Garage Lighting $157,775 312,254 kBtu 10 months 118%
Let ours be a time remembered for the awakening of a new reverence for life, the firm resolve to achieve sustainability, the quickening of the struggle for justice and peace, and the joyful celebration of life.
Earth Charter 2000
We did not inherit the earth from our ancestors. We are borrowing her from our children.
Seneca Nations