The Environmental Council of the States (ECOS) works 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.
ECOS received the 2025 Environmental Achievement Award. Learn more about the award.
Our members are state and territorial environmental agency leaders. Learn more about what they are working on.
ECOS works in a variety of media and policy areas to help states and territories protect public health and the environment.
ECOS gathers information and resources for members to help them efficiently and effectively address important topics relevant to public health and the environment.
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.
