Initiatives by topic
Open spaces
Land Trust for the Mississippi Coastal Plain
Sustainable energy
Wikipedia: Solar power in Mississippi: on rooftops can provide 22% of all electricity used in Mississippi. Mississippi is one of only two states, along with Florida, to have no potential for wind power, having no locations that would provide at least 30% capacity factor, although 30,000 MW of 100 meter high turbines would operate at 25% capacity factor.
Sustainable transport
Wikipedia: Hiking trails in Mississippi (category)
Towards sustainable economies
Cooperation Jackson, The broad mission of Cooperation Jackson is to advance the development of economic democracy in Jackson, Mississippi, by building a solidarity economy anchored by a network of cooperatives and other types of worker owned and democratically self-managed enterprises.
Interwiki links
Wikipedia: Mississippi