Comment | Climate change is forcing tough choices—how much heritage can we save before it is too late?

Climate change is accelerating the degradation of archaeological sites worldwide, forcing archaeologists to make urgent, difficult choices about what to save. From thawing permafrost in the Canadian Arctic threatening Inuit heritage to landslides endangering ancient Buddhist temples in Nepal, researchers are now deploying innovative technologies like ground-penetrating radar, 3D scanning, and even cosmic-ray muon detectors to digitally document and monitor at-risk sites before they are lost.