In November, the Huntington family moved into a new, stilted house with a solar-compatible roof, 13-inch (33-centimeter) walls and 18 inches (46 centimeters) of insulation to keep the cold at bay.

GALENA, Alaska (AP) — Eric Huntington built his dream cabin nestled in the wilderness of central Alaska, eventually raising two daughters there. But over the years, he learned that living in ...