Green Space, Open Space, and Farmland Protection

• American Farmland Trust
• Center for Agriculture in the Environment
• Green.gov
• Greenspace Alliance
• The Conservation Fund
• Land Trust Alliance
• Natural Lands Trust
• The Nature Conservancy
• Ohio Valley Environmental Coalition
• Open Lands Project
• Sierra Club
• The Conservation Fund
• The Nature Conservancy
• Trust for Public Lands
• URGE: Urban Green Environment
• West Virginia Environmental Council
• West Virginia Land Trust

Watersheds and Water Trails

• Allegheny Watershed Network
• AMD and Art
• North American Water Trails, Inc.
• The Potomac Conservancy
• River of Words
• West Virginia Watershed Network

Greenway Planning

• The Conservation Fund
• Greenworks
• National Park Service
• Scenic America
• Urban Park Institute

Trail Planning

• American Hiking Society
• American Trails
• Association of Pedestrian and Bicycle Professionals
• Bicycle Federation of America
• BikePlan Source
• The Conservation Alliance
• North Carolina Rail-Trails
• Rails to Trails Conservancy
• South Carolina Trails Program
• Surface Transportation Policy Project
• Trails and Greenways Clearinghouse
• WV Scenic Trails Association

Trail Search

• Association of Pedestrian and Bicycle Professionals
• Allegheny Trail Alliance
• American Discovery Trail
• Bicycle West Virginia
• Millennium Trails
• Mountain Biking West Virginia
• Silicon Valley Bicycle Coalition

Bicycle and Pedestrian Advocacy

• Chainguard
• City of Portland Bicycle Program
• Massachusetts Bicycle Coalition
• National Transportation Library
• One Less Car

Smart Growth

• American Planning Association
• National Main Street Center
• National Trust for Historic Preservation
• Smart Growth Online
• Urban Land Institute