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Some of the corals here are already bleaching, losing their color, which is a sign that they're being stressed by heat or acidity.

Up to 50% of the world’s coral has died, but scientists are figuring out how to regrow reefs — here’s what the process looks like

Reefs cover less than 1% of the ocean floor, yet 25% of fish species spend some part of their lives in them, making corals essential to ocean health. Estimates of the overall economic value of reefs suggest they contribute between $30 billion and more than $375 billion to the world economy annually.

Hawaii is about to ban some of the most popular sunscreens because they could be killing off coral reefs

Hawaii is about to become the first US state to ban the chemicals oxybenzone and octinoxate in sunscreens, because they can bleach and kill corals and mess with their reproductive abilities.

Coral reefs provide crucial protection for coastal cities — without them, flood damage could double, a new study finds

Reefs help buffer against storm surge and waves that would otherwise damage coasts. Without living coral reefs, flooding damage around the world would double, a cost increase of $4 billion annually. Flooding could quadruple if the loss of reefs is combined with sea-level rise.

Half of the Great Barrier Reef has died since 2016 — but Australia’s $400 million attempt to save it doesn’t address the main proble...

Australia plans to spend more than $379 million to save the Great Barrier Reef. But experts think that since these initiatives don't fight climate change, they won't be enough to save the coral reefs.
The Great Barrier Reef is in rough shape after multiple bleaching events.

The world’s oceans are in even worse shape than we thought

A new study found that coral bleaching events, which can kill reefs, are happening too fast for reefs to recover. The ocean is also losing oxygen.
Some of the corals here are already bleaching, losing their color, which is a sign that they're being stressed by heat or acidity.

Half of the Great Barrier Reef has died since 2016 — here’s what happens if all coral reefs on Earth die off

Without coral reefs, there could be a rippling ecosystem collapse in the oceans, with devastating effects on the planet.