Following is a transcript of the video. Narrator: This is the Great Barrier Reef, and it's dying. Less than 20 years ago, the world's largest living structure looked like this, and this.

For decades, the Great Barrier Reef has enjoyed World Heritage Status and been synonymous with diving, tourism and with Australia. But in June of this year, UNESCO threatened to downgrade the Great ...

In 2016 and 2017, marine heat waves caused by climate change resulted in mass bleaching, which killed about half of the corals on the Great Barrier Reef, along with many others around the world.

Australia's Great Barrier Reef is home to a tremendous array of endangered species, some found nowhere else in the world. Renowned for its beautiful corals and water clarity, the reef was listed by ...

For those who dream of exploring the Great Barrier Reef's underwater paradise, avoid crowds by visiting a lesser-known ...

Almost sixty years after his first visit to the Great Barrier Reef, David Attenborough embarks on a personal journey of discovery to understand how the Reef was created and meets the animals that call ...

The best way to get around the Great Barrier Reef is by car or boat, depending on where you plan to spend the majority of your time. If you're on the mainland, renting a car is the best way to get ...

The best time to visit the Great Barrier Reef is from June to October. This peak season offers some key advantages for travelers. Temperatures hover in the low 60s to mid-80s, and rainfall is ...