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They sent President Obama a letter urging him to expand Papahanaumokuakea Marine National Monument in the Northwestern Hawaiian Islands.

Scientists are live-streaming video from their cruise through an unknown part of the world.

Hawaii Sen. Will Espero said he’ll introduce the measure in January.

Scientists say oxybenzone, an active ingredient in many sunscreens and other personal care products, is killing coral reefs.

Federal officials are seeking information and proposals that could help Hawaii achieve its 100 percent renewable mandate.

Aulani Wilhelm, who helped create a massive marine national monument, calls for expanding protections.

Palau’s president backs Papahanaumokuakea Marine National Monument proposal as NOAA officials warn about unprecedented coral bleaching.

The National Geographic Society’s Hubbard Medal is awarded for outstanding contributions to scientific research, exploration and conservation.

Experts will talk about the plight of reefs at an Honolulu conference just as researchers look to revolutionize how they’re studied.

Conservationists question the claim of the longline fleet — and many state legislators — that the proposal represents a $7 million loss for fishing.