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 ...

The Great Barrier Reef is the world’s largest coral reef system. It stretches over 2,300 kilometres along the coast of Queensland, Australia. Made up of nearly 3,000 reefs and 900 islands ...

Professor Ove Hoegh-Guldberg describes the Great Barrier Reef as "the Manhattan of marine ecosystems”. Coral reefs are vitally important nursery grounds for fish and other marine life.

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.