“There's another house burning,” Kristen Huston says, steering her white sedan, its trunk loaded with pet supplies, into one of the neighborhoods where her organization, All About Animals Rescue, does outreach. “Do you smell it?” In the back seat, HSUS staffers Jason Schipkowski and Ashley Mutch...

A humane backyard is a safe haven for wildlife—a space where animals can thrive free from pesticides, trapping and other threats.