measuring environmental sustainability presented to ... · – waste management. weight the sites...
TRANSCRIPT
![Page 1: Measuring Environmental Sustainability Presented to ... · – Waste management. Weight the Sites ... • Excel application • Solid Energy staff ... Solid Waste Minimisation Greenhouse](https://reader033.vdocuments.net/reader033/viewer/2022060403/5f0e99d77e708231d44005c1/html5/thumbnails/1.jpg)
Presented to ****
Presented by ****
Date
Measuring Environmental Sustainability
Zoë Burkitt (presenter)
& Tim Preston
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• Primary coal producer in NZ
• Previously State Coal (1901)
• Currently 7 active mines
• Number of rehabilitation projects
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Introduction
• Why ?• Aims• Method• 2003• 2004• Achievements
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Why?
Solid Energy Environmental Policy Statement
“A net positive effect on the New Zealand environment through the cumulative effects of our
actions”
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Aims
• Standard setting• Impact lowering• Progress tracking• Stakeholder
involvement• Transparency• Reputation
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Overall Method
• Environmental Index• Checks progress against a
defined standard• Is tailored to Solid Energy• Reports a single number (target
100+)
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Method – Effects Definition
• Visual Landscape• Habitat• Access and Resource• Infrastructure • Subsidence and
Stability• Mine Fires • Land Contamination • Waste Minimisation
• Greenhouse Gas Emissions
• Water• Air• Noise • Light • Weeds and Pests• Blasting• Rules and Regulations
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Method - Setting the Standard
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Weight the Effects• Public perception
– Visual impact– Water quality– Habitat disturbance
• Environmental impact– Land contamination– Site GHG emissions– Waste management
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Weight the Sites• Area of land disturbed
– Habitat– Water quality– Land contamination
• Tonnes of coal produced– Waste– Site GHG emissions
• Population directly affected– Visual effects– Air quality
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Crunching Numbers
• Site score– Sum {average score for each effect x effect weighting}–
• Company score– Sum {site score x site weighting}
• Overall score aims at 100
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2003
• Excel application
• Solid Energy staff
• Consultants
• Result 89, from a 110 neutral score (80%)
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2003 Output - Stockton MineStockton
0%
20%
40%
60%
80%
100%
120%
140%
Visual Impacts
Habitat Impacts
Public Access and Resource
Redundant Infrastructure
Subsidence and stability
SponCom / Coal Fires
Land Contamination
Solid Waste Minimisation
Greenhouse Gas Emissions
Water Impacts
Air / Dust Impacts
Noise Impacts
Light Impacts
Blasting impacts
Formal Aspects
Weed and Pest Control
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2003 Output - Huntly East MineHuntly East
0%
20%
40%
60%
80%
100%
120%
140%
Visual Impacts
Habitat Impacts
Public Access and Resource
Redundant Infrastructure
Subsidence and stability
SponCom / Coal Fires
Land Contamination
Solid Waste Minimisation
Greenhouse Gas Emissions
Water Impacts
Air / Dust Impacts
Noise Impacts
Light Impacts
Blasting impacts
Formal Aspects
Weed and Pest Control
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2004 - Improvements, Descriptions
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2004 - Improvements, Web
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2004 - Improvements, GIS
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2004 - Improvements, Involvement
• Wider stakeholder group
– Fish and Game
– Dept of Conservation
– Territorial Authorities
• 3rd Party Reviews
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Achievements, so far…..• Major awareness
raising
• Positive site comparisons
• Learning from others
• 2004……...