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Impact Assessment

A science-based approach to EIA

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Integral to the design process

Impact Assessment professionals work on Environmental Impact Assessments (EIAs), which are tools used to assess the significant effects of a project or development proposal on the environment. Impact Assessment professionals provide information to decision makers and apply their knowledge and skills to promote sustainable development.

Within the IES, Impact Assessment professionals work to promote a science-based approach to EIA that supports environmental improvement through sustainable design and construction of projects. IES members engage with Impact Assessment as an integral part of the design process, identifying integrated solutions rather than ineffective ‘bolt-on’ approaches.

Using EIA to understand scientific processes

The IES EIA Community provides a forum for thought-provoking, critical conversations around EIA from a science-based perspective. The Community connects and supports environmental scientists and practitioners working across sectors and roles involved in EIA to facilitate meaningful discussion between disciplines on the key issues facing the sector.
 
The Community champions the ethos of utilising EIA as a tool to support decision-making, which leads to better environmental impacts from developments and is focused on providing environmental professionals involved in EIAs with the knowledge and skills to support this.

Join the IES Learn more about the EIA community

Latest IES Impact Assessment work

A new build estate mid-construction
Community Meeting
25 Nov 2026 11:00 am to 12:00 pm Europe/London

EIA Community Meeting 2026

Site engineer installing surveying equipment on a new build housing construction site
Panel Discussion
09 Dec 2026 12:00 pm to 01:30 pm Europe/London

How are our choices about measurement affecting environmental decision?

Aerial view of a housing development in construction
Analysis
01/09/2026 - 15:24

Digital EIA: A case study on a major infrastructure project

A new build estate mid-construction
Community Latest
07/07/2026 - 10:40

EIA Community welcomes four new Steering Group members

Cover of Degrees of Disorder
Journal
23/06/2026 - 16:13

Degrees of Disorder: Climate Tipping Points

Ancient forest Wistman's Wood near Two Bridges in Dartmoor, Devon
IES News
01/05/2026 - 18:07

Deadline extended: Opportunities to join a Community Steering Group

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