Global oil prices have caused Honolulu's utility bills to jump nearly $20 million this year.

The Waikoloa plant is expected to lower residential monthly utility bills by $5.

Experts say the trend still isn’t fast enough to stop the worst impacts of climate change.

The Paeahu solar farm, located in a dryland forest, would operate a short distance from a residential subdivision.

The longtime Life of the Land leader reflects on decades of pushing his clean energy and environmental justice agenda.

The United Nations leader has called for countries to do "everything, everywhere, all at once."

A proposed hydro project — the first of its kind in the world — could supply up to a quarter of the island’s power by diverting 4 billion gallons a year from the Waimea River.

The justices said state regulators were right to question environmental problems and consumer costs.

The first of two public meetings will be held Wednesday, in person and online.

The measure aims to speed up regulatory approvals but has generated concern over how it may help certain developers.