Environmental Protection Agency. 2009. "Water Efficiency in the Commercial and.However, the City of Oakley is a participant in the East Contra Costa Habitat Conservation. Welcome to Contra Costa County's on-line application process! International environmental agreements (IEAs) are signed treaties that regulate or manage human impact on the environment in an effort to protect it. The Clerk-Recorder's office does not have the ability to receive CEQA filings electronically. You must submit each filing in person or through the mail. Draft International. Covenant on Environment and Development. Three or more member countries and more than 1000 bilateral treaties, conventions,.