Danielle Tepper had always loved dolphins. When she went on vacation to Hawai'i, she knew she had to see them firsthand. Tepper—now a senior editor at the Humane Society of the United States—wanted to do it ethically, so she avoided captive dolphin attractions. Instead, she booked an excursion to...

The jogger crossed Francis Scott Key Bridge every day—and every day, she saw the goose underneath it. Worried the bird was stuck, she called the Humane Rescue Alliance in Washington, D.C. The lower bridge was only accessible by boat, but thanks to HRA’s relationship with a local fire department...

The suspect creeping up near my front fence was a tough character—broad-leafed and thick-stemmed and threatening to invade my property and swallow it whole if I didn’t act fast. There was no hesitation that summer morning as I headed to work: Off with his head! It was a decision made all too easy by...