In 1958, scientist Charles David Keeling began monitoring carbon dioxide levels at the Mauna Loa Observatory in Hawaii, providing the first clear evidence that humans were increasing atmospheric CO2 ...

In his California laboratory, Ralph Keeling examines a graph created from data his father began collecting that keeps a ...

Elon Musk's DOGE is considering terminating the lease of a tiny office that supports a huge climate science project.

As we celebrate Earth Month, we are kicking off a series of retrospectives on National Academies reports and activities ...

The Madison branch of the 50501 movement held an Earth Day “Artivism” event Tuesday afternoon at the Wisconsin State Capitol.

University of Washington scientists took the 57-year record of carbon dioxide at Mauna Loa in Hawaii and turned the data into musical notes. The resulting composition tells the story of climate ...

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? https://p.dw ...

In 1958, scientist Charles David Keeling began monitoring carbon dioxide levels at the Mauna Loa Observatory in Hawaii, providing the first clear evidence that humans were increasing atmospheric CO2 ...