Climate change

Magazine spread featuring a large sail boat out on the water, and marine debris littering a beach

Sea Education Association: Studying Microplastics Aboard a Tall Ship

by Mallory HoffbeckUndergraduate student Noah van Aardenne stands lookout on the bow of the tall ship SSV Robert C. Seamans, holding on to the forestay as the ship tosses. He watches the horizon for rain clouds, marine animals, or rare ...
Magazine spread featuring protestors holding signs on a lawn

Act Local, Act Global

by Lurline Wailana McGregorWhen the last of its four counties implemented laws to ban plastic bags from store checkouts in 2021, Hawaiʻi became the first in the nation with a full statewide ban. Since then, the City and County of ...
Magazine spread about the possible afterlife of marine debris, contains image of old fishing net, new yarn it has been spun into, and sneakers made from the recycled net

Supply, Demand, and our Sea of Debris

by MARIA FROSTICWith the ocean on track to teem with more plastic than fish by the year 2050, marine debris is making waves in local and global economies. Damage from marine litter on the global marine economy was estimated at ...
Magazine spread featuring old fishing nets and a group of volunteers

Paving the Road, from Cleanup to Repurposing

by Mark MarchandThere’s an “all hands on deck” effort underway to understand and counter the growing issue of derelict fishing nets and other plastic debris washing up on Hawaiʻi’s shores and reefs, and in its harbors. Organizations and individuals—environmentally conscious ...
Magazine spread featuring two headshot images of the interviewees, and some marine debris

Getting to the Bottom of U.S. Ocean Plastic Pollution: a Conversation with Leading Experts

by Tess JoosseThe United States uses and discards the most plastic in the world, churning out a whopping 42 million metric tons each year. Despite this distinction, as recently as 2020 the full scale of the U.S.’s contribution to ocean ...
Magazine spread featuring the crystal blue coastline, fish, birds and a seal of Papahanaumokuakea

Preserving a Precious Place

by Libby LeonardThe Kumulipo, the Hawaiian creation chant, describes the area of Papahānaumokuākea as the realm of Pō, where life springs from a single coral polyp, and where spirits return upon death. Papahānaumokuākea got its name in 2007 from two ...
Magazine spread reading 'A bounty to remove ghost fishing gear', picturing four men standing in front of a truck

A “Bounty” to Remove Ghost Fishing Gear

by Josh McDanielHarry Lynch is a commercial fisherman and diver who lives on Oʻahu’s windward side. For over two decades, he’s been removing “ghost gear,” or discarded, lost, or abandoned fishing gear, that drifts into Hawaiian waters. Ghost gear continues ...
Cover of Ka Pili Kai magazine with artistic rendering of plastic pollution in the sea.

Ka Pili Kai Ho‘oilo 2023

Click on the cover image to view the full issue. On the Cover The numbers are hard to envision— 8 million metric tons of plastics entering the ocean each year—but the result is something we’ve all experienced: plastics on the ...
Aerial view of coastal salt ponds surrounded by red soil

Salt Pond Hydrogeologic Investigation – Discussion

DISCUSSION To better understand hydrology in the area, various research techniques were used including electrical resistivity, analysis of radon concentrations, self-potential tests, hydrologic modeling, and analysis of salt pond water level and salinity changes. Findings indicate that thick (~9 ft) ...
Aerial view of coastal salt ponds surrounded by red soil

Salt Pond Hydrogeologic Investigation – Endnotes

ENDNOTES [1] High hydraulic conductivity means the substrate, e.g. basalt, allows water to easily flow through it [2]  MacIntyre, S., 1995. “Trace gas exchange across the air-sea interface in fresh water and coastal marine environments.” Biogenic trace gases: Measuring emissions ...