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The lost species include eight birds and a plant in the mint family that was only found in Hawaii.

Hawaiian spinner dolphins are nocturnal. A new ban on getting close to the animals aims to protect them from harassment and disturbance.

For more than a decade, artificial lighting on the grounds of the Grand Wailea Resort has been causing endangered seabirds to fall from the sky, a pair of conservation groups says.

The transition was supposed to be done by July. Now, expect it done by the end of the year, an industry leader says.

Divers and other volunteers conducted a major cleanup effort of the bay on Sunday.

Feral cats and off-leash dogs are killing wedge-tailed shearwaters at Kauai’s Makahuena Point. Efforts to stop the carnage so far haven’t worked.

Civil Beat photographer Ronen Zilberman tagged along on an environmental restoration project in the Waimea Valley this weekend.

Selling sunscreens containing oxybenzone and octinoxate became illegal this year, but lawmakers are relying on sellers to self-police and consumers to hold them accountable.

Honolulu wants to plant 100,000 trees in the next few years to help provide shelter from rising temperatures and a growing urban heat island.

Honolulu’s plastic reduction effort is eliminating fossil fuel waste, but also reflects the struggle to find a solution that’s both eco-friendly and convenient.