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Strategic Environmental Assessment. “Back to the Future” By Dr Anne F Kerr 18 June 2005. Contents of Talk. SEA concept Ingredients Purpose Communication of the findings and assessments Case studies. Strategic Environmental Assessments. S uitable for E very A pplication ?.

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strategic environmental assessment

Strategic Environmental Assessment

“Back to the Future”

By Dr Anne F Kerr

18 June 2005

contents of talk
Contents of Talk
  • SEA concept
  • Ingredients
  • Purpose
  • Communication of the findings and assessments
  • Case studies
strategic environmental assessments
Strategic Environmental Assessments
  • Suitable for Every Application ?
essential ingredients
Essential Ingredients
  • Definition of robust baseline conditions
  • Identification of applicable assessment tools
  • Application of relevant key performance indicators
purpose of an sea
Purpose of an SEA
  • Essentially to identify impacts at a macro level
  • To allow rationale decisions to be made whether to take a project or development forward or not
  • To provide a powerful tool to communicate the implications of a development project or strategy in terms of the community at large and specific groups of sensitive receptors.
example 1 sea for the relocation of the airport from kai tak
Example 1 : SEA for the Relocation of the Airport from Kai Tak
  • Taking a step back into the future – how was the site at Chek Lap Kok selected?

Kai Tak Airport

Chek Lap Kok Airport

sea for pads the process
SEA for PADS - The Process

Coarse Screening

Fine Screening

Strategy Evaluation

100’s of options and components

6 Options

Environmental Modelling including:


Water Quality,


Ecological Assessment

3 Strategies


Air Quality and

Water Quality


Environmental (and other) Assessment using performance indicators

Environmental Assessment and testing against performance indicators

Preferred Option

processes involved
Processes Involved
  • Integration of the environmental planning aspects into the overall planning, land use, transport and engineering studies.
  • SEA was an integral component in the decision making process.
  • The option ultimately selected was optimal from an environmental perspective, which could be demonstrated through the findings and interpretation of the SEA.
solution to all problems
Solution to All Problems?
  • Location at Chek Lap Kok increased journey time for many to and from the airport
  • Changed the location of the emissions from one airshed to another
  • Required major infrastructure to be constructed, New Towns, Highways, Lantau Link etc.
environmental components incorporated into the overall development plan
Environmental Components incorporated into the Overall Development Plan
  • Natural coastline of Lantau retained by inclusion of “Sea Channel” in overall plan
  • “Sea Channel” also crucial to preservation of water quality in East Tung Chung Bay
  • Mangrove stands and ecological resources flourish in Pak Mong Lake through inclusion of “Sea Bridges” into the NLH design
  • Ongoing study
  • 4 phased approach
  • Link to the website
what are the desired outcomes for hk2030
What are the desired outcomes for HK2030?
  • A development plan?
  • A list of proposed infrastructure requirements?
  • Is the outcome fixed or flexible?
hk2030 scenarios
HK2030 Scenarios
  • Must be flexible
  • Able to respond to change
  • Assist in the wider planning context taking account of the influences of the PRD
Need to provide a robust assessment of the implications in terms of air quality etc.
  • Not just comparison of results of modelling with the criteria
  • A real in-depth understanding of the implications of changes to assumptions upon which the scenarios are based
back to the future
Back to the Future
  • Need to have robust modelling tools
  • Need also to interpret the data
  • Need to understand the implications of actions – development, assumptions etc.
  • Need to be able to update the assessments given new developments, technology, targets for sustainability etc.
back to the future17
Back to the Future
  • Don’t forget basic principles of interpreting data
  • Don’t forget to play with the data and results to fully understand the implications – not just pretty illustrations
  • Presentation is essential BUT needs to be totally supported by understanding.