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The Environmental Council of the States (ECOS) is the national non-profit, non-partisan association of state and territorial environmental agency leaders. The purpose of ECOS is to improve the capability of state environmental agencies and their leaders to protect and improve human health and the environment of the United States of America. Learn more about us here.


Latest News

ECOS Launches Shale Gas Caucus Webpage

The page can be accessed here, and under "Forums" on the Committees section of the website.

(November 17, 2014)

Press Release: Stan Meiburg Appointed U.S. EPA Acting Deputy Administrator

The document is available here.

(October 6, 2014)

Press Release: ECOS Elects New Officers at Fall Meeting

The document is available here.

(September 16, 2014)

ECOS Releases Waters of the U.S. Proposed Rule Legal Review by American College of Environmental Lawyers

The document is available here.

(September 15, 2014)


September 14, 2014 - September 17, 2014
2014 ECOS Fall Meeting
Santa Fe, New Mexico

March 16, 2015 - March 18, 2015
2015 ECOS Spring Meeting
Washington, DC, USA

August 31, 2015 - September 2, 2015
2015 ECOS Fall Meeting
Newport, Rhode Island


View ECOS Calendar - click here.

Copies of ECOS' regularly-published, topic-specific Green Reports can be accessed here.


The Environmental Research Institute of the States is a 501(c)3 organization that focuses on educational and research issues. Click on the link below to find out more.


A state-led coalition of state and federal regulators, industry, and stakeholders working together to achieve regulatory acceptance of environmental technologies.

Exchange Network

The Exchange Network is a partnership among States, Territories, Tribes, and the U.S. Environmental Protection Agency that is improving and expanding the exchange of environmental information. Visit to learn more.

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