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

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 ...

Scientists fear an 'irreplaceable' loss of key climate data as Trump cost-cutting plans target a key CO2 monitoring site in Hawaii. Why is the Mauna Loa Observatory so important?

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

The level of carbon dioxide in the atmosphere measured by a weather station at the Mauna Loa Observatory in Hawaii increased by 3.58 parts per million in 2024 – the biggest jump since records ...

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.

Scientists fear an "irreplaceable" loss of key climate data as Trump's cost-cutting plans target a key CO2 monitoring site in Hawaii. Why is the Mauna Loa Observatory so important?

Data collected by Mauna Loa from 1958 onward let us clearly see the evidence of climate change for the first time. The station samples the air and measures global CO₂ levels.

A new record high for CO2 levels was set at Mauna Loa Observatory in May.

The CO2 concentration at the Mauna Loa observatory in Hawaii has passed 430 parts per million When man first walked on the moon, the carbon dioxide concentration in Earth's atmosphere was 325 ...