MAASSERA AL SHOUF RESERVE, Lebanon — The cedars of Lebanon rise from the snow-dappled slopes of a limestone mountain. To enter this sanctuary of green, Karim Alameddine unlocks a white iron gate.

BAROUK CEDAR FOREST, Lebanon — Walking among the cedars on a mountain slope in Lebanon feels like visiting the territory of primeval beings. Some of the oldest trees have been here for more than ...

Throughout history, the cedars of Lebanon have been prized for buildings and boats, chopped down for temples in ancient Egypt, Jerusalem and beyond. So while climate change did not start the ...