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 ...

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.

Data collected by Mauna Loa from 1958 onwards let us clearly see the evidence of climate change for the first time. The station samples the air and measures global CO₂ levels.

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 ...

The Trump administration’s proposed budget seeks to shut down the laboratory atop a peak in Hawaii where scientists have gathered the most conclusive evidence of human-caused climate change ...

This is the 26th lava fountaining episode recorded at Kilauea since December. Kilauea is one of the world's most active volcanoes.

CVS recalled some food products and advises customers to stop consuming them immediately.

Atmospheric concentrations of carbon dioxide made history last month by climbing to their highest seasonal peak available in historical records, a team of researchers reported. For the first time e… ...

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 ...

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA’s Mauna Loa Observatory on Hawaii, scientists from NOAA and ...

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA's Mauna Loa Observatory on Hawaii, scientists from NOAA and ...