Cutting data climate collection – as the Trump administration is now trying to do – is like breaking a thermometer to avoid ...

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

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

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

Proposed budget cuts in the US will lead to the loss of vital carbon dioxide measurements, but no other countries are ...

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 Trump administration’s proposed 2026 budget for the U.S. National Oceanic and Atmospheric Administration (NOAA) cuts funding for several critically important national laboratories and ...

Funding for the Mauna Loa Observatory, a cornerstone of global climate science since the 1950s, is at risk. The lab has been ...

Over nearly seven decades, research conducted at Hawaii’s Mauna Loa Observatory taught us that global warming is happening and humans are causing most of it. Trump's proposed budget for 2026 would ...

The Mauna Loa Observatory on the top of Hawaii Island, Jan. 25, 2023.

But it’s the Mauna Loa laboratory that is the most prominent target of the President Donald Trump’s climate ire, as measurements that began there in 1958 have steadily shown CO2’s upward ...

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