The Southern landscape now experiencing the effects of climate change has already seen centuries of loss of wild places due to human industry. Now, climate-change-strengthened storms threaten the pockets of older Southern ecologies that remain.

The number of days that Georgia can now perform “prescribed burning” is shrinking as a result of climate change, adding to the already delicate balance of the fire prevention action.

The red-cockaded woodpecker could get downgraded from “endangered to “threatened,” but regulators say the change would aid in habitat restoration.

Just above the Florida border, there’s a vast — and famous — swamp: the Okefenokee. It’s more than 400,000 acres of wilderness, with black water, pine...