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

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 ...

For 67 years, the observatory on Hawaii's Mauna Loa volcano has been taking these measurements daily  — tracking the invisible gas that is building up in our atmosphere and changing life on Earth.

A detailed expense budget for NOAA outlines plans to reduce spending and cut climate and atmospheric research.

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 ...

The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in the atmosphere with ...

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

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 ...

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 ...

Explore major US climate policy reversals under Trump. Learn how changes impact clean energy, public lands, and conservation efforts. Read now!