Half of the Great Barrier Reef Is Dead

See where coral in the world's largest coral reef system has been bleached to death.

This story appears in the August 2018 issue of National Geographic magazine.

Read This Next

Why are these orcas killing sharks and removing their livers?
How to eat in 6 of the world’s most stunning places
Cliff art reveals the majesty of the Amazon’s aquatic realm

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet