On the EPA's website, no less! Very useful to have these UN Agenda 21 related events/organizations acknowledged by a federal agency. Vicky Davis
History of Sustainability
Creation of EPA and NEPA
In the United States, the first establishment of a national policy for environmental sustainability came in 1969 with the passage of the National Environmental Policy Act (NEPA) whose purpose was to "foster and promote the general welfare, to create and maintain conditions under which man and nature can exist in productive harmony and fulfill the social, economic and other requirements of present and future generations."
FOOD INSURANCE: Prepare for hyperinflation, famine, economic collapse, riots, martial law, etc., with emergency food supply, 20 year shelf life.
On July 9, 1970, amid a growing public demand for cleaner water, air and land, President Nixon submitted to Congress a reorganization plan proposing the establishment of a U.S. Environmental Protection Agency as an independent agency in the executive branch of the federal government. The plan proposed bringing together 15 components from five executive departments and independent agencies.
On December 2, 1970, the EPA began its operations, assuming responsibility for carrying out federal laws to protect the environment. Stated broadly, the job of the U.S. Environmental Protection Agency is to improve and preserve the quality of the environment, both national and global. EPA works to protect human health and the natural resources on which all human activity depends.
The EPA's "History of Sustainability" includes:
Creation of EPA and NEPA 
Stockholm Conference 
United Nations Environmental Program (UNEP)
World Commission on Environment and Development (WCED) "Brundtland Commission" 
UN Conference on Environment and Development (UNCED) and 1992 Rio Earth Summit
Agenda 21 
President's Council on Sustainable Development (PCSD) 
Climate Change [Kyoto Climate Agreement, 1997]
World Summit on Sustainable Development (WSSD) 
"Since the WSSD, the United States has been actively engaged in the partnerships and initiatives announced in Johannesburg. These include the
Congo Basin Partnership
Clean Energy Initiative
Water for Poor Signature Initiative
Initiative to Cut Hunger in Africa
Africa Education Partnership
Geographic Information for Sustainable Development
White Water to Blue Water Initiative and
Investing in Health: Fighting Infectious Disease for Sustainable Development"
If you're interested in a more extensive timeline, go here:
International Conferences, Treaties, events
Also, I didn't realize the EPA had 10 "Regional Offices":