International Association for Impact Assessment

now available

application deadline 7 February

IAIA18 young professionals bursaries

applications due 18 March

New FasTips Available

No. 16: Cumulative Effects Assessment

Human Rights Impact Assessment

New! Key Citations 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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January 2018 enews

January 2018 enews

Check out the latest enews, sent 14 December

2018 Innovation Grants now available

2018 Innovation Grants now available

Members, apply now for a grant for innovative, short-term projects.

December 2017 Enews

December 2017 Enews

Check out the latest enews, sent 14 December

The wreck of the MV Rena – culture, risk and resilience in IA

The wreck of the MV Rena – culture, risk and resilience in IA

Guest post by Hamish G. Rennie

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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