What is Coral Bleaching and how does it impact the Great Barrier Reef?

When we talk about the conservation of the Great Barrier Reef there is often mention of coral bleaching, but do you know what coral bleaching actually is?

Some coral reefs can withstand climate change thanks to algae : NPR

Coral Bleaching and its Impact on the Great Barrier Reef, by Ahmad J. EL-Youssef, Feb, 2024

This Evolutionary Gift May Protect Coral From Climate Change

Coral Bleaching of the Great Barrier Reef – Shark Research & Conservation Program (SRC)

Coral reef protection - Wikipedia

The Impacts of CO2 on the Great Barrier Reef

How and Where Coral Bleaching Is Affecting the Great Barrier Reef

Interactive: Can the Great Barrier Reef survive climate change?

Coral bleaching - Great Barrier Reef Foundation

Coral bleaching can hit Great Barrier Reef every two years by 2034 - SAFETY4SEA

Scope of Great Barrier Reef's massive coral bleaching alarms scientists