Behind closed doors, thousands of shelter animals still face the terror of Japan’s gas chambers. Dogs and cats in parts of Japan’s public shelter system are still euthanized inside carbon dioxide gas chambers known as “Dream Boxes.” These sealed metal chambers are designed to kill multiple animals at once by pumping in carbon dioxide gas until the animals suffocate. Investigations described dogs howling, clawing at metal walls, trembling, gasping for air, and collapsing during the process. …
