and blue spruce (Picea pungens), can thrive in zones 2 through 7, and pines like the eastern white pine (Pinus strobus) can thrive in USDA zones 3 through 8. Goldfinch lovers in warmer zones may have ...
In the American West, white glaciers and snow fields are outnumbered by long-overlooked "rock glaciers." The rock covering these vast hunks of ice makes them far less affected by warming temperatures.