An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time ...

Mauna Loa Trail to Pu‘u‘ula‘ula and Red Hill Cabin will remain open, but access to and from the trailhead during work days will only be permitted before 8:30 a.m. or after 4 p.m.

Mauna Loa is currently quiet and now is a good opportunity to remember the 1950 Southwest Rift Zone eruption — the volcano’s most recent eruption to have caused significant damage — 75 years ...

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise ...

Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s changing atmosphere. By Rebecca Dzombak More than 11,100 feet above ...

Mauna Loa's 4-ounce and 0.6-ounce bags of dark chocolate-covered macadamia nuts sold in 16 states have been recalled for potentially undeclared almonds and cashews.

HONOLULU (KHON2) — The Hawaii Department of Health is warning residents about a recall on Mauna Loa Dark Chocolate Covered Macadamias due to the possible presence of undeclared almonds and ...

Mauna Loa dark chocolate covered macadamias were recalled due to the "possible presence of undeclared almonds and cashews." The macadamias were sold in 16 states, including Florida.

COURTESY FDA The 0.6-ounce bag of Mauna Loa Dark Chocolate Covered Macadamias, with UPC code 0 72992 05464 4, lot numbers K5069C1 or K5069C2, and a best by date of October 2026.

Mauna Loa Trail to Puu­ulaula and Red Hill Cabin will remain open, but access to and from the trailhead during workdays will be permitted only before 8:30 a.m. and after 4 p.m.

HONOLULU (KHON2) — The Hawaii Department of Health is warning residents about a recall on Mauna Loa Dark Chocolate Covered Macadamias due to the possible presence of undeclared almonds and ...