Environmental Impact Assessment (Overview of Purpose, Process and Methods)

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Environmental Impact Assessment

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EIA : A systems perspective on

sustainable development

IPAT, Impact = population x

affluence x technology aaa

(adapted from Sadler and fA `

Jacobs (1989) and Sadler Ke ag re ee

(1995) rf Bon ¬

Lm: cm ot

I

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Environmental Impact of Less Developed Countries (top) and More Developed Countries (bottom)

People Overpopulation

x =

Number of Environmental

Number units impact per Environmental eor esources used unit of impact of population

r person resource used

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EIA is a management tool

(Following questions need to be asked about any major projects)

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The EIA decision support system -(Adapted from Petts and Edulijee, 1994) ⁄ and} c € )n participati Communication | Action definition e Consideration of need and alternatives Is an assessment needed? ¢ Scoping the coverage Implementation e Construction and commissioning Monitoring compliance and impacts Performance auditing Communication and ~~ participation ¬> rs >> r — — > EIA report preparation IN \ - e Site-specific ` scoping ì e Assessing the \ existing \ ory =) Review and environment \ ac > mitigation « Impact prediction \ e Evaluation of significance E e Draft report | ¬ Seige ` ° ` ^ ee, of m& S oe Fe, Oo Ae eh 5 “7 Sy Decision

e« Review of report

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‹ developer -. project and how to reduce adverse

environmental impacts

The = —_—sneeds to know how the impacts will affect the viability of the project, and what liabilities are incurred

- compe†en† au†hority -.- results to decide on a response to the permit application

Other government authorities =) >

know the implications of the projects

they may wish to promote - requlator - environmental impacts and weather they are acceptable - regiondl planner -

impacts will interfere with adjacent

developments and land uses = local community ©

will need to know how the project's impacts will affect their quality of life .- poli†icians -

affected and in what way, and what issues should be of concern

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Principlel1:

—— Tnvolve †he appropria†e persons and groups

— Link information to decisions about the project

—— Present clear op†ions for the mitigation of

impacts and for sound environmental management

— Provide information in a form useful to the

decision makers