Coral reefs are the most diverse of all marine ecosystems. They teem with life, with about one-quarter of all ocean species depending on reefs for food and shelter at some point in their lifecycle.

The declines are largely due to reduced coral cover. The fate of coral reefs around the world remains grim should global warming continue at its current rate, according to new research. Coral reefs ...

Floridians are not used to hearing the word "extinct" applied to species that play significant roles in the state's ...

Saving coral reefs might be possible with the power of … sound? Scientists have found that playing certain sounds through underwater speakers can help restore damaged coral ecosystems. This ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Our planet’s coral reefs, the ‘rainforests of the sea,’ are facing a serious threat, necessitating urgent restoration. With the introduction of drones designed to plant corals on a large scale, we’ve ...

One of Earth’s most breathtaking natural wonders is under serious stress, now more than ever before. Scientists say the Great Barrier Reef has lost huge amounts of its hard coral cover over the past ...