Sust 101 Workshop

Case Study

Wellington Zoo Trust

Wellington Zoo

• First zoo in New Zealand (estb 1906)• 185,000 visitors• 50% of Wellingtonians visit annually• Zoo Capital Development Programme

– $20.8m to redevelop the Zoo over 10 years ($15.6m from Council and $5.2m from Wellington Zoo Trust)

Looking at our business plans

• Approximately 6 years ago started looking at the environmental angle of zoo business– If cost effective it was implemented

• Environmental management survey (URS)• Everyone supports Sustainability as part of our ethos and

culture

Creation of EMS

• Documented EMS

• Establish a Green Team

Easy to do

• Small bore water pipes• Water limiting valves• Lighting sensors• Waste separation

• Result: 97% reduction in waste to landfill in 1st year

Specialist Project Water

Water Usage YTD (Litres)

-5,000,000

10,000,00015,000,00020,000,00025,000,00030,000,00035,000,00040,000,00045,000,00050,000,00055,000,00060,000,00065,000,00070,000,000

July

Augus

t

Septe

mbe

r

Octobe

r

Novem

ber

Decem

ber

Janu

ary

Febru

ary

Mar

chApr

ilM

ayJu

ne

Year to Date

Lit

res

Water Usage 2003/04

Water Usage 2004/05

Water Usage 2005/06

Water Usage 2006/07

Water Usage 2007/08

Water Usage 2008/09

Water Usage 2009/10

Water Usage 2010/2011

• Last June lowest on record 552,000 Litres

• Average annual saving 25.2 Million Litres

• Average annual saving $45,000 per year

Water

Composter• 2 years to get from design to operational• Labour intensive• Over 60% of our organic waste does not leave site

WasteWaste by Cubic Metres

0

100

200

300

400

500

600

700

Waste Type

Cu

bic

Me

tre

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05/06 Fin Year06/07 Fin Year07/08 Fin Year08/09 Fin Year09/10 Fin Year

Our Carbon Footprint

Carbon Footprint 2008

0% 5%

4%

0%

15%

69%

6%

1%Natural gas

Petrol

Diesel

LPG

Compost

Electricity (including line losses)

Air travel

Paper use - embodied energy

Measure & Monitor Water, waste, and electricity

– Monitor against baselines

Challenges:• Switched power suppliers at a cost saving of $25k• Power consumption is on the rise due to new buildings• Carbon emission grew as a result of composting (+23 tonnes but

reduced need for trucks to dispose of rubbish and landfill)

SBN - GSC

• 2008 – Finalist• Feedback assessment was used a tool and gave us a

framework to move forward.

Awards• Winners - Not for profit for Central and Southern Region 2009• Winner - Sustainable Business of the Year Central and Southern Region

2009• Winners - National People’s Choice Sustainable Business of the Year

2009• Winners Green Gold, Wellington Gold Awards 2010• Winners Encore Awards, Environmental Leadership 2010• 1st attraction in Wellington Qualmark Endorsement and Enviro Gold

2009• Finalist MfE Green Ribbon Awards 2010• Chief Executive was Wellingtonian of the Year 2010-Environment

category and winner of the Sustainability Award for Wellington HER Business Network 2009

The Future

• Carbon neutral?- What would it mean for the Zoo?

- How would we achieve it?

- Are there alternatives?