Environment Impact Assessment

It is a study to evaluate and identify the predictable environmental consequences and the best combination of economic and environmental costs and benefits of the proposed project. On the basis of EIA, an Environmental Management Plan (EMP) is prepared, which is a description of the means by which the environmental consequences as pointed out in the EIA will be mitigated. Together the whole draft is termed as EIA-EMP report.

Why EIA is conducted:

  1. To systematically examine both beneficial and adverse consequences of the proposal.
  2. To ensure that those consequences are taken into account during project design.
  3. To identify possible environmental effects of the proposal and means to mitigate them.
  4. To predict whether there will be significant adverse effects even after the mitigation.
  5. To lessen conflicts by promoting community participation and informing decision makers.

Notification on Environmental Impact Assessment (EIA) of developmental projects 1994 under the provisions of Environment (Protection) Act, 1986 making EIA  mandatory for 29 categories of developmental projects. One more item was added to the list in January, 2000. environmental impact assessment statutory for 30 activities

Environment Impact Assessment Notification of 2006 has categorized the developmental projects  in two categories, i.e., Category A and Category B

‘Category A’ projects are appraised at national level by expert appraisal committee

India has constituted the State Level Environment Impact Assessment Authority (SEIAA) and State Level Expert Appraisal Committee (SEAC)  to decentralize the environmental clearance process

The objective of EIA is to foresee and address potential environmental problems/  concerns at an early stage of project planning and design.

The EIA notification establishes four stages for obtaining Environmental Clearance.

  1. Screening
  2. Scoping and consideration of alternatives Baseline data collection
  3. Impact prediction
  4. Assessment of alternatives, delineation of mitigation measures and environmental impact statement
  5. Public hearing
  6. Environment Management Plan Decision making
  7. Monitoring the clearance conditions

Screening- It is only for Categories B

Screening Criteria are based upon:

  • Scales of investment; •       Type of development; and, •      Location of development

B1 Categories project require Environmental Impact Assessment while B2 category projects are exempted from EIA.

State Level Expert Appraisal Committee determine about project categories

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