When lava poured out over the floor of Mokuaweoweo, Mauna Loa’s summit caldera, late on the night of November 27, 2022, it was still many hours away from infrastructure. Or most infrastructure. The ...

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, ...

The monthly average concentration of carbon dioxide in the atmosphere measured at Mauna Loa Observatory in March showed a record 12-month increase, the Scripps Institution of Oceanography announced ...

The Trump administration is considering canceling the lease of the support office for a renowned Big Island climate research station, sources said, raising fears for the future of key work tracking ...

Carbon dioxide levels measured at NOAA's Mauna Loa Atmospheric Baseline Observatory peaked at 423 parts per million in May, continuing a steady climb further into territory not seen for millions of ...

The eruption of Hawaii’s Mauna Loa volcano has temporarily knocked off power to the world’s premier station that measures heat-trapping carbon dioxide in the atmosphere, but officials Wednesday say it ...

The cause of global warming is showing no signs of slowing as heat-trapping carbon dioxide in Earth's atmosphere increased to record highs in its annual spring peak, jumping at one of the fastest ...