International Association for Impact Assessment

IAIA16 Japan

Early bird registration ends 5 February

Save the Date

UK Water Symposium First Announcement

Panama Symposium 2015

Proceedings available


The leading global network on impact assessment

Impact assessment, simply defined, is the process of identifying the future consequences of a current or proposed action. IAIA is the leading global network on best practice in the use of impact assessment for informed decision making regarding policies, programs, plans and projects. Members of IAIA believe that impact assessment is a practical tool for helping meet today's needs without compromising the opportunities of future generations. Our members are our greatest asset.


IAIA Membership


Join IAIA members from over 120 nations in this inter-disciplinary network of individuals and organizations.

IAIA Events


IAIA's annual conferences and regional meetings promote lively exchange and learning opportunities.

IAIA Publications & Resources


IAIA's publications, trainings, and resources share best practices in the field of impact assessment.

IAIA Affiliates


Operating in 17 countries, IAIA Affiliates are independent organizations promoting impact assessment regionally.

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Save the Date: UK Water Symposium

Save the Date: UK Water Symposium

Check out the first announcement for this August 2016 symposium.

January 2016 enews

January 2016 enews

Check out the latest IAIA enews message, sent on 25 January 2016.

​Expecting More from Impact Assessment:  “Smart IA Reporting”

​Expecting More from Impact Assessment:  “Smart IA Reporting”

Guest post by IAIA President Yaw Amoyaw-Osei

Descargue la Guía de Evaluación de Impacto Social

Descargue la Guía de Evaluación de Impacto Social

Spanish version of the full-length SIA publication now available.

IAIA Mission, Vision & Values

IAIA is an organization with a voluntary membership of professionals from a diverse array of interests and organizations, all of whom are concerned with environmental stewardship and sustainability. Collectively, our goal is to protect, not harm, the earth and its environments and peoples.


Stay up to date with association activities & events.

The monthly IAIA e-news shares upcoming event details and deadlines, as well as professional news in the field of impact assessment. Check out a recent issue here.

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