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    Coral Reefs

    If Sun Tans Are Bad for Coral Reefs, Could Hawaii's Ban on Sunscreens Catch On?

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    The US state of Hawaii passed a bill this week banning most types of sunscreens. Environmentalists say suntan lotions contain chemicals which damage coral reefs and Hawaii's move could begin a domino effect around the world.

    If the law is signed by Hawaii's state governor David Ige the ban will come into place in January 2021.

    The bill would ban the majority of sunscreens because they contain two chemicals — oxybenzone and octinoxate — which marine ecologists say "have significant harmful impacts on Hawaii's marine environment and residing ecosystems."

    Scientists say the chemicals — which wash off into the sea when sunbathing tourists go swimming — have proved toxic to coral.

    'Reef-friendly' Lotions

    Supporters of the bill say they hope it will encourage more manufacturers to sell "reef-friendly" sunscreens, which are already available.

    It is thought California might be the next US state to try to bring in similar legislation and some politicians in Australia are also thought to be in favor of it as a way of saving the Great Barrier Reef.

    The legislation has stimulated a lively debate between environmental scientists and companies who manufacture or sell sunscreen, which is a US$2 billion market in America.

    "This is a first step to help our reef and protect it from deterioration," said Hawaii state senator Donna Mercado Kim, one of those behind the bill.

    She said she hoped "other jurisdictions" would follow in the Hawaiians' footsteps.

    Sea Urchins Also Harmed

    "This is the first real chance that local reefs have to recover. Lots of things kill coral reefs, but we know oxybenzone prevents them from coming back," marine scientist Craig Downs told AP. He said it also harmed sea urchins and killed algae, which was a vital food source for turtles.

    Mr. Downs said 14,000 tonnes of sunscreen lotion ends up in coral reefs globally every year.

    But Tina Yamaki, president of the Retail Merchants of Hawaii, said in practise the law would only ban the sale of sunscreens in the Hawaiian islands themselves and tourists could still bring them with them on holiday or even buy them online.

    The American Chemistry Council says the legislation could expose people to too much sun, putting them at risk of skin cancer.

    "It's a feel good measure. Yes, we must protect the environment — it is our number one resource — but at the end of the day, studies have pointed to global warming, human contact, coastal development," said Sharon Har, a Democrat state senator who voted against the bill.

    Related:

    Coral Reefs Suffer Under Climate Stress, But Curbing Pollution Can Help
    Sunscreen Lotion Kills Off Coral Reefs Around the World
    Coral Reefs Made of Tougher Stuff, Could be Saved From Global Warming
    Scientist issues warning over dying coral reefs
    Tags:
    sunburn, coral reefs, chemicals, sun, cancer, Australia, United States, Hawaii
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