Yellowstone to Yukon Conservation Initiative
Yellowstone to Yukon Conservation Initiative or Y2Y is a transboundary Canada–United States not-for-profit organization that aims to connect and protect the 2,100 miles (3,400 kilometres) Yellowstone-to-Yukon region. Its mission proposes to maintain and restore habitat integrity and connectivity along the spine of North America's Rocky Mountains stretching from the Greater Yellowstone ecosystem to Canada's Yukon Territory.
Source: Wikipedia — Yellowstone to Yukon Conservation Initiative (CC BY-SA 4.0)