![The world's coral reefs are bleaching. What does that mean? The world's coral reefs are bleaching. What does that mean?](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-04/81713258073_TBCoralreefjpg.jpg)
The world's coral reefs are bleaching. What does that mean?
Bleaching is triggered by water temperature anomalies that cause corals to expel the colorful algae living in their tissues.
Sun Apr 21 2024
![Coral reefs suffer fourth global bleaching event, NOAA says Coral reefs suffer fourth global bleaching event, NOAA says](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-04/51713258196_TBCoralreefjpg.jpg)
Coral reefs suffer fourth global bleaching event, NOAA says
Huge stretches of coral reef around the world are turning a ghostly white this year amid record warm ocean temperatures.
Tue Apr 16 2024
![World on brink of fourth mass coral reef bleaching event, NOAA says World on brink of fourth mass coral reef bleaching event, NOAA says](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2020-10/41603029158_GreatBarrierReef.jpg)
World on brink of fourth mass coral reef bleaching event, NOAA says
Marine biologists are on high alert following months of record-breaking ocean heat fuelled by climate change and El Nino climate pattern.
Fri Mar 08 2024
![How clouds protect coral reefs, but will not be enough to save them from us How clouds protect coral reefs, but will not be enough to save them from us](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2020-07/81595826369_Coral.jpg)
How clouds protect coral reefs, but will not be enough to save them from us
Coral reefs provide food and livelihoods and protect coastlines from storms, contribute to local economies and preserve cultural heritage.
Sat Oct 14 2023
![Australia's Great Barrier Reef off UNESCO danger list, still under 'serious threat' Australia's Great Barrier Reef off UNESCO danger list, still under 'serious threat'](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2020-10/41603029158_GreatBarrierReef.jpg)
Australia's Great Barrier Reef off UNESCO danger list, still under 'serious threat'
The world's biggest coral reef ecosystem remained under "serious threat" from pollution and the warming of oceans.
Tue Aug 01 2023
![Coral-eating fish may not be that bad for reef health after all Coral-eating fish may not be that bad for reef health after all](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2020-07/81595826369_Coral.jpg)
Coral-eating fish may not be that bad for reef health after all
Study suggests that some fish that are coral predators can actually promote the well-being of these reefs.
Sat Apr 22 2023
![One year after volcanic blast, many of Tonga's reefs lay silent One year after volcanic blast, many of Tonga's reefs lay silent](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-01/71673768999_TONGA.jpg)
One year after volcanic blast, many of Tonga's reefs lay silent
Coral reefs were turned to rubble and many fish perished or migrated away.
Sun Jan 15 2023
!['It just dies': Yellow-band disease ravages Thailand's coral reefs 'It just dies': Yellow-band disease ravages Thailand's coral reefs](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2022-12/51672401004_coral.jpg)
'It just dies': Yellow-band disease ravages Thailand's coral reefs
Scientists believe overfishing, pollution and rising water temperatures because of climate change may be making the reefs more vulnerable to yellow-band disease.
Sat Dec 31 2022
![Scientists freeze Great Barrier Reef coral in world-first trial Scientists freeze Great Barrier Reef coral in world-first trial](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2022-12/71671593509_Australia.jpg)
Scientists freeze Great Barrier Reef coral in world-first trial
Scientists are scrambling to protect coral reefs as rising ocean temperatures destabilise delicate ecosystems.
Thu Dec 22 2022
![Crackling or desolate?: AI trained to hear coral's sounds of life Crackling or desolate?: AI trained to hear coral's sounds of life](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2022-06/81654578347_Indonesia.jpg)
Crackling or desolate?: AI trained to hear coral's sounds of life
The scientists hope this new AI system will help conservation groups around the world to track reef health more efficiently.
Tue Jun 07 2022
![Scientists find that Hawaiian corals are surprisingly resilient to warming oceans Scientists find that Hawaiian corals are surprisingly resilient to warming oceans](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2022-03/61647582841_CoralReef.jpg)
Scientists find that Hawaiian corals are surprisingly resilient to warming oceans
In the absence of nutrient pollution, overfishing, bottom trawling, physical damage from tourism, the reef corals survive to ocean warming.
Fri Mar 18 2022
![Corals doomed even if global climate goals met: Study Corals doomed even if global climate goals met: Study](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2022-02/61644034206_CORAL.jpg)
Corals doomed even if global climate goals met: Study
The stark reality is that there is no safe limit of global warming for coral reefs, says lead author Adele Dixon.
Sat Feb 05 2022
![Explainer - Tonga's volcanic eruption may harm environment for years, scientists say Explainer - Tonga's volcanic eruption may harm environment for years, scientists say](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2022-01/71642477242_TONGA.jpg)
Explainer - Tonga's volcanic eruption may harm environment for years, scientists say
Tonga's massive underwater volcanic eruption could deliver long-lasting damage to coral reefs, erode coastlines and disrupt fisheries.
Tue Jan 18 2022
![Coral reefs of western Indian Ocean at risk of collapse: Study Coral reefs of western Indian Ocean at risk of collapse: Study](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2021-12/41638945063_CORAL.jpg)
Coral reefs of western Indian Ocean at risk of collapse: Study
Researches found that all reefs in this region faced "complete ecosystem collapse and irreversible damage" within decades.
Wed Dec 08 2021
![These researchers may have found a solution for protecting coral reefs These researchers may have found a solution for protecting coral reefs](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2021-10/51633153061_MICROBIOSME.jpg)
These researchers may have found a solution for protecting coral reefs
A new study identified genes in the microbiome of certain types of corals that may play a role in how reefs respond to heat stress.
Sat Oct 02 2021