Fifth mass coral bleaching event in eight years hits Great Barrier Reef, marine park authority confirms
GuardianFeb 25
Report: Fourth Global Mass Coral Bleaching Underway
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The Facts
Record ocean heating is causing the world's fourth mass coral bleaching event, jeopardizing marine ecosystems, the US's oceanic and marine life body has reported.
Around 54% of the ocean waters with coral reefs have experienced such heat stress, the National Oceanic and Atmospheric Administration (NOAA) has said.
The Spin
Narrative A
Researchers have found that shading can significantly reduce coral reef bleaching. Different species of corals respond variably to shading interventions like artificial coverings and seawater fogging systems. This strategy still offers potential solutions to bleaching. Further research and development is needed to scale up these interventions effectively and help coral reefs withstand climate change.
Narrative B
The climate crisis's hidden threats, such as coral damage, paint a grave picture. Climate change must be addressed as a whole — not through singular solutions — with a focus on reducing pollutants and transitioning away from fossil fuels. Scientists and activists are striving to save reefs through interventions like coral nurturing, but more must be done to protect coral reef, marine biodiversity, and the well-being of millions worldwide.
Narrative C
Reports had previously suggested in 2022 that ocean warming had led to mass bleaching of the Great Barrier Reef. Yet a subsequent survey revealed a significant recovery. This challenged dire predictions and showcased the reef's resilience, all while highlighting its complexity. This episode should caution us against premature conclusions overstating the extent of irreversible damage.
