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The regional council wants to allow fishing in protected waters via “customary exchange,” drawing the ire of Papahanaumokuakea’s Hawaiian stewards.

Supply chain challenges are easing, allowing Hawaii utilities to step up efforts to go green by 2045.

The plight of some 50 banyan trees near downtown Hilo puts a spotlight on Banyan Drive’s deeper, longstanding troubles.

The solar-charged hydro power concept would be the first of its kind in the world.

From public schools on the Westside to private schools in Honolulu, teachers are finding creative ways to educate — and empower — students facing the effects of a warming planet.

Many families can’t afford the conversion costs, and coming up with the funds to rid the state of all those cesspools will be daunting.

UPDATED: Matson and Pasha Hawaii are ignoring calls to slow down. But other major shippers have heeded requests to protect endangered whales.

Conservationists took the U.S. Fish and Wildlife Service to court last year to spur action that was overdue for the imperiled native honeycreeper.

Mayor Rick Blangiardi said the city needs two more years to find a replacement for Waimanalo Gulch.

The state’s largest processor of used motor oil is at full capacity and will start shipping fluid out in the next few days.