Scientists return from the Papahanaumokuakea Marine National Monument after surveying the underwater aftermath of a major storm last year.

Mineral-based sunscreens are viewed as an environmentally friendly alternative to chemical sunscreens, but could still be harmful in large concentrations.

The effects of a rapidly warming planet have reshaped the work of lifeguards, emergency responders and health officials.

Eight schools applied for funding under a new state law aimed at expanding campus composting programs, but the DOE awarded the grant money to an engineering firm instead.

Hundreds of service members alleged they should have been warned about pesticide problem at the Marine Corps Base Hawaii in Kaneohe.

The Maui wastewater case has far-reaching ramifications for the nation’s rivers, lakes and oceans. And it’s headed to a conservative Supreme Court.

Sens. Brian Schatz and Mazie Hirono hope that Marco Rubio and Rick Scott can help push legislation to bolster coral restoration and conservation.

TMT officials say the world’s largest telescope will be a zero-waste facility, while the state has determined  it doesn’t pose a risk to the Big Island’s water supply.

About 60% of the reefs along Guam’s eastern coast are gone, researchers said.

Chlorpyrifos has been linked to health problems for children.

State officials are fine-tuning proposals that aim to mitigate the effects of climate change in the state.

Fisherman celebrated the abundance of fish flocking near the shore after the flood, but scientists say the damage left some species unhealthier.