Redwoods grow where heavy fog rolls in from the Pacific. From Big Sur, California to Brookings, Oregon. Scientists don’t have a clear picture of how climate change will affect that coastal fog, and the giants that depend on it. But a group called Archangel Ancient Tree Archive has come up with an unusual plan to help the redwoods. It’s planting clones of some of the world’s largest trees. Amelia Templeton of EarthFix reports.