Record visitor numbers are hiding an alarming trend.

A bill to limit the use of natural gas in new homes could be a first step to broader bans, a gas company official says.

Utilities and others are concerned that the same lawyers are representing multiple parties in a competitive bidding process.

A number of new solar and wind projects are needed on Oahu to replace the last coal-fired plant, which is scheduled to close in 2022.

Only about 1% of cars here are electric vehicles. Advocates say boosting that number requires mandating builders install charging stations at new developments.

A growing number of tourism hot spots, ranging from Mallorca to Bhutan to New Zealand, are imposing new taxes and fees on visitors.

Hawaii’s shift to renewable energy was meant to trigger an explosion of new jobs, but officials aren’t closely tracking employment in the sector.

The company says it’s the first of multiple projects that will let renters and condo residents buy electricity from remotely located solar farms.

A regulatory scheme designed to create savings for consumers is unfolding even as Hawaiian Electric proposes a rate increase for Oahu.

Carbon emissions from planes are only now starting to get some of the attention as other troubling side effects caused by soaring numbers of tourists.

A Colorado portfolio manager has big plans for a $44 million S&P 500 index fund that he has brought to Hawaii.

From California to the Galapagos, overwhelmed tourist destinations are experimenting with ways to control the overflow and pay for repairing the damage.