An alliance of nations said on Tuesday members would raise $12 billion to protect coral reefs from threats such as pollution and overfishing, but experts warned the funding would only be a drop in the ocean unless broader climate risks are addressed.
The International Coral Reef Initiative said it would secure public and private investment to help conserve and restore coral ecosystems, which sustain a quarter of the world's marine species and more than a billion people.
Coral reefs have come under increasing pressure as a result of rising marine pollution, destructive coastal development and fishing fleets. Marian Wong, senior lecturer at the School of Earth, Atmospheric and Life Sciences at Australia's University of Wollongong, said that although additional funding for protection and restoration would be "good news", rising temperatures are the bigger risk.
ICRI said it aims to "secure the future" of 125,000 square kilometres of shallow-water tropical coral reefs and double the areas under effective protection by the end of the decade.David Booth, marine ecologist at the University of Technology Sydney, warned that restoration was no panacea, saying that it would be "unfathomably expensive" to do on a meaningful scale.
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