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.

Picture it: As the wind-powered craft clips along the Coral Sea ... sailing along the Great Barrier Reef is a must-do. If you're looking to sail north of Cairns, you'll enjoy the best cruising ...

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.

Stretching over 1,200 miles, Australia's Great Barrier Reef is the largest structure on Earth built by living organisms. Even for its size, it houses an incredible biodiversity -- literally ...

Imagine something so vast that it's visible even from space—this is the Great Barrier Reef, the largest living structure on Earth. Stretching over an incredible 2,300 kilometers, the reef's ...

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 ...

Travelers can also enjoy an array of local brews at Cairns' Barrier Reef Brewing Co. For those who ... and roasted lamb, and craft brews can be savored at Townsville Brewing Co. A few specialty ...

One of the seven wonders of the natural world, the Great Barrier Reef lies in the clear blue waters off the northeast coast of Australia. Spanning 14 degrees of latitude, this complex reef system is ...