The Mauna Loa Observatory in Hawaii, which has been at the forefront of global climate monitoring since the 1950s, is facing ...

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

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

In 1958, when the Keeling Curve began, the concentration of CO2 in the Earth’s atmosphere was 313 parts per million. In 2024, that had risen to 424.61 ppm, and this year, monthly average CO2 ...

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.

New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will ...

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 ...

One of my favorite annual traditions is to ride my electric mountain bike up Aspen Mountain on the summer solstice. There at ...