The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in ...

The Mauna Loa Observatory in Hawaii, which has been at the forefront of global climate monitoring since the 1950s, is facing ...

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution ...

Last year, the average level of carbon dioxide rose faster over the previous year than at any other point since the recordings began, Scripps reported in January. The average readings for the 12 ...

Hawaii's Mauna Loa volcano is continuing to erupt, but scientists say the lava flows have been slowing down as they reach relatively flat areas around the rumbling mountain.

Mauna Loa last erupted in 1984. Its smaller, more active neighbor, Kilauea volcano, has been erupting continuously for more than a year since September 2021.

Mauna Loa’s summit crater sits about 21 miles west of Kilauea, a smaller volcano that has been erupting since 2021. Their simultaneous eruptions have created a rare dual-eruption event ...

Mauna Loa’s long nap may be coming to an end. The most recent eruption of Mauna Loa in 1984 saw lava reach the outskirts of Hilo on the other side of the island - home to the University of ...

The world's largest active volcano, Mauna Loa on Hawaii's Big Island, has started to erupt for the first time since March to April 1984, ending its longest known quiet period ever.

Mauna Loa makes up about 51 percent of the Big Island and rises 13,679 feet above sea level and about 30,000 feet from the sea floor, according to the National Park Service.

Mauna Loa last erupted on March 25 to April 15, 1984. This followed nearly two years of increased seismic activity. The eruption began quite suddenly, according to the USGS.

Discover the history and importance of Mauna Loa in monitoring CO₂ levels and the impact of defunding climate monitoring ...