@CNN: The hole in the Earth’s ozone layer is expected to fully heal within 50 years, climate change experts predict https://t.co/YQT9t1NqDm https://t.co/QWgy8r2WR0

@CNN: The hole in the Earth’s ozone layer is expected to fully heal within 50 years, climate change experts predict https://t.co/YQT9t1NqDm https://t.co/QWgy8r2WR0