A rare storm filled crater pools on parched Kahoʻolawe, reawakening ancient triops and prompting a surprise sighting of the endangered Hawaiian coot.

Two Hilo parks were closed Friday after a shark sighting; lifeguards monitored the area and no injuries were reported.

Lifeguards posted shark-warning signs at Kahe Point after two 5–7-foot sharks were sighted near the flumes; Ocean Safety is patrolling the area and advising caution.

NOAA and local partners recovered a dead Hawaiian monk seal off Nanakuli; a necropsy is planned and officials urged the public to report sightings to the wildlife hotline.

Sharp rusted holes and a broken railing have left parts of Mililani’s Makaʻunulau playground taped off while the city says it has no timeline for repairs.

Kaiwi, a returning Hawaiian monk seal, gave birth at Kaimana Beach and officials have roped off the area while the pup nurses. Responders urge everyone to keep a wide berth.

Conservationists found 168 wedge‑tailed shearwaters dead at Kauaʻi's Shipwreck Beach; experts point to cats and urge stronger predator control and reporting.

DLNR crews found roughly 200 tires dumped on Puʻu ʻŌhiʻa Trail and warn that dumped yard waste can spread invasive pests and threaten drinking water.

UH is moving Lyon Arboretum under CTAHR to expand hands-on labs and research access for students while keeping public programs and staff in place.

Wai'anae District Park was renamed April 23, 2026 to honor Shinyei Nakamine and the 100th Infantry Battalion, linking a local park to a World War II legacy.

Iao Valley State Monument will close April 27–June 26 for pedestrian bridge upgrades, temporarily blocking access to the Iao Needle during the spring travel season.

Researchers filmed honu eating invasive Chondria tumulosa at Midway Atoll; the finding suggests turtles could trim outbreaks but might also carry fragments between atolls.

Honolulu Ocean Safety posted warnings after an 'aggressive' shark was spotted near Diamond Head at about 7:17 a.m.; lifeguards urged people to avoid the water.