FRISCO – The pine beetle came to Summit County in 2005, turning scores of trees red and creeping higher up the mountainsides each year. Twelve years later, nearly every stand of lodgepole pines has been affected, and they stand in gray, dead clusters, creating headaches for firefighters, forest managers and concerned residents. It’s been the same story through most of the high country. More than 30 representatives from forestry groups across the state gathered in Frisco last month for the annual Colorado Forest Collaboratives Summit to share how they are still trying to heal their damaged forests. It’s an uphill battle, and will likely remain so for at least a generation. But if there’s a silver lining, attendees said, it’s the level of engagement and cooperation that the beetle scourge has inspired among diverse groups across the high country.