sunscreen sunscreen

Rock Islands in Palau, a UNESCO World Heritage Site and a popular dive location. Retailers who break the "reef-toxic" sunscreen ban will face fines of $1,000. Benjamin Lowy/Getty Images hide caption

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Benjamin Lowy/Getty Images

Much of the inner reef at Oahu's Hanauma Bay is dead after decades of tourism. The state may sign a law banning over-the-counter sunscreens believed to harm coral. Caleb Jones/AP hide caption

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Caleb Jones/AP

Partially bleached coral in Kaneohe, Hawaii. Coral reefs worldwide are at risk of damage from the suncscreen ingredient oxybenzone. Hawaii Department of Land and Natural Resources/Dan Dennison/AP hide caption

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Hawaii Department of Land and Natural Resources/Dan Dennison/AP

Scientists say energy-saving compact fluorescent (left) or light-emitting diode (right) light bulbs can have unsavory health effects. PRNewsFoto/OSRAM SYLVANIA hide caption

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PRNewsFoto/OSRAM SYLVANIA

Alivia Parker, 21 months at the time, ran through circles of spraying water on a hot day in Montgomery, Ala., last June. She was wearing sunscreen with an SPF of 100, a rating that won't be allowed much longer. Dave Martin/AP hide caption

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Dave Martin/AP

Savannah Stidham gets smeared with sunscreen during a visit to a beach in Fort Lauderdale, Fla., in 2006. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images