Thailand is using a birth control vaccine on elephants in the wild to try and curb a growing problem where human and animal populations encroach on each other. It's an issue in areas where farms ...

BANGKOK — Thailand has begun using a birth control vaccine on elephants in the wild to try and curb a growing problem where human and animal populations encroach on each other — an issue in areas ...

Thailand has begun using a birth control vaccine on elephants in the wild to try and curb a growing problem where human and animal populations encroach on each other—an issue in areas where farms ...

This photo released by Thailand Department of National Parks, Wildlife and Plant Conservation shows a wild elephant after it received an elephant contraception vaccine in the Trat province of Thailand ...