Northern Primorski Krai
Forest type: Temperate and boreal
Geographic location: Russian Far East
Threats: Logging, mining, and road development
At risk: Habitat for some of the world's rarest species, including the Amur tiger. This forest also is home to Udege, Nanai, Ul'ta, and other indigenous groups.
Frontiers encompassing the Green Karelian Belt
Forest type: Boreal
Geographic location: Russia and Finland
Threats: Logging for export to Finland and related road construction
At risk: One of Europe's last remaining frontiers and the traditional home of the Karelian people.