Skip to primary navigation
Skip to main content
Skip to primary sidebar
Skip to footer

The Environmental Council of the States (ECOS)

News
Areas of Focus
Members
Policy Documents
Events
About

Search

Policy Documents

ECOS House Testimony on the Potential of America’s Brownfield Sites

March 4, 2026

Land & WasteTestimonies

Artificial Intelligence & State Environmental Protection Agencies: Opportunities, Risks, Actions

February 26, 2026

Environmental DataPublications

ECOS Letter to U.S. EPA on Updating the Water Quality Certification Regulations

February 17, 2026

ECOS Letter to U.S. EPA and Army Corps on Proposed Updated Definition of WOTUS

January 2, 2026

ECOS Letter to U.S. EPA and Army Corps Requesting WOTUS Comment Period Extension

December 4, 2025

Resolution 25-2: The Importance of Science in Advancing Cooperative Federalism

November 10, 2025

Letter from ECOS President Chris Wells

October 1, 2025

Resolution 04-4: Promotion of Pollution Prevention and Sustainability

September 5, 2025

Land & Waste Sustainability & Materials ManagementResolutions

Resolution 10-1: National Sustainable Materials Management

September 5, 2025

Land & Waste Sustainability & Materials ManagementResolutions

Resolution 13-4: Environmental Performance and Outcomes Data and Metrics

September 5, 2025

Budget & Agency Management Environmental DataResolutions

Primary Sidebar

Filter Documents By

Footer

The Environmental Council of the States
1250 H Street NW, Suite 850
Washington, DC 20005

Email: ecos@ecos.org
Tel 202-266-4920
Fax 202-266-4937

Learn More

Leadership
Our Staff
Careers
Contact ECOS

Follow Us On

X
Facebook
Vimeo
RSS

Site by Rocketkoi