An invasive algae has wrecked huge sections of reef in Papahānaumokuākea Marine National Monument. Scientists are racing to find out what it is, where it came from and whether anything can stop it.

Civil Beat deputy editor Nathan Eagle joined scientists on a three-week expedition in Papahānaumokuākea Marine National Monument.

The storm destroyed a primary nesting site for endangered sea turtles and monk seals. East Island's reemergence in this remote atoll has become an unexpected sign of resilience against climate change.

With the effects of climate change bearing down, the race is on to ensure Papahānaumokuākea remains protected.

Conflicting guidance from permitting agencies makes it harder for the county to save or move roads threatened by the ocean.

New research from University of Hawaii scientists indicates these protected areas are producing significant numbers of exceptionally long or heavy fish.

Started by fishermen and firefighters, Kuleana Coral Restoration prioritizes workforce development to aid coral reefs stressed by warming oceans, urban runoff and more.

A nonprofit organization hauled away mountains of ghosts nets, buoys, floats and plastics from an atoll in marine national monument and plans more cleanup this year.

Local businesses are getting big funding boosts to help make farmed algae part of the solution in addressing the amount of methane cattle produce.

It's not uncommon for a lone worker to be responsible for operating sewage treatment facilities that have been plagued with problems.