Coral Reefs: The Cities of the Sea Under Threat

We've all seen those stunning photos - vibrant coral reefs teeming with life, a kaleidoscope of colours beneath the waves. But these underwater cities are facing a serious crisis.

It's not just the beautiful visuals at risk. Coral reefs are incredibly important ecosystems, supporting a quarter of all marine life and acting as natural protectors of coastlines.

So what's the threat?

Climate change is the biggest culprit, leading to ocean warming and acidification. Like overheating a city, rising water temperatures stress coral, causing them to expel the tiny algae that give them their colour and nutrients. This "bleaching" leaves corals vulnerable and can lead to death.

Ocean acidification, caused by the absorption of excess carbon dioxide, makes it harder for corals to build their calcium carbonate skeletons, essentially weakening their foundation.

It's not all doom and gloom though. Divers are stepping up to help.

Citizen science projects are gathering crucial data on coral health, allowing scientists to track changes and develop effective conservation strategies.

Recreational divers are spreading awareness and becoming ambassadors for reefs, encouraging responsible tourism and sustainable practices.

And researchers are exploring innovative solutions, like coral nurseries and assisted evolution, to help reefs adapt and survive.

What can you do?

• Support sustainable diving practices: Choose eco-friendly dive operators and avoid touching coral.
• Reduce your carbon footprint: Every little bit helps when it comes to combating climate change.
• Spread awareness: Talk to friends and family about the importance of coral reefs and the threats they face.

We all share responsibility for protecting these vibrant underwater cities. Let's dive in and make a difference.