Even a policy of “drill, baby, drill” would imply more climate research, not its evisceration, says Ralph Keeling ...

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

This chart, begun by young researcher Charles David Keeling way back in 1958, chronicles the seasonal rise and fall – and ...

Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s ...

Fast forward to 2025, and there have been only three eruptions of Mauna Loa in the past 75 years since 1950: 1975, 1984, and ...

Mauna Loa, rising 13,679 feet (4,169 meters) above sea level, is the much larger neighbor of Kilauea, which erupted in a residential neighborhood and destroyed 700 homes in 2018.

Mauna Loa, one of the world's biggest and most active volcanoes, has begun erupting after months of unrest. The volcano, which is one of the five that make up Hawaii, rises 13,000 feet above sea ...

Mauna Loa can be seen on the bottom right. BardoczPeter/Getty Kilauea lies just 21 miles from the summit crater of Mauna Loa and has been erupting continuously since September 2021.

Mauna Loa – aptly named “Long Mountain” – stretches 13,679 feet into the air above the sea level where it covers half of the island’s length at 60 miles long and 30 miles wide.

Mauna Loa, which covers half the island of Hawaii, has erupted 33 times since 1843, the volcano's first "well-documented historical eruption," according to the U.S. Geological Survey.

Mauna Loa released about 15,000 tons of carbon dioxide per day during its 1984 eruption, according to USGS data. That’s equivalent to the annual emissions from 2,400 sport utility vehicles.