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

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 ...

Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and ...

Carbon dioxide levels are typically represented on a graph known as the Keeling Curve, named for Keeling’s father, Charles David Keeling, who began taking daily measurements of atmospheric ...

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 ...

Carbon dioxide levels in the atmosphere are closely monitored to gauge how much humans are influencing Earth’s climate. The readings are also an indicator of the planet’s overall health.

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 ...

On January 29, 1982, at the Mauna Loa Observatory, a NOAA employee first filled glass flask I-457 (shown above), when atmospheric CO2 levels measured 341.28 parts per million (ppm).