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

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

Mauna Loa has now been collecting data for more than 65 years. The resulting Keeling curve graph is the most iconic demonstration of how human activities are collectively affecting the planet.

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

President Trump’s efforts to freeze climate spending have sparked warnings of rippling consequences in years ahead. For many ...