ECOS works in a variety of media and policy areas to help states protect public health and the environment.
Our members work together and focus on specific matters.
We work with federal, state, and Tribal agencies to focus on specific needs and issues in order to share essential information with the wider community.

The Environmental Research Institute of the States is a 501(c)3 organization that focuses on educational and research issues.

The Interstate Technology and Regulatory Council (ITRC) is a state-led coalition of state and federal regulators, industry, and stakeholders working together to achieve regulatory acceptance of environmental technologies.

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.

E-Enterprise for the Environment is a transformative 21st-century strategy to modernize how government agencies deliver environmental protection.