These data come from the National Oceanic and Atmospheric Administration’s Mauna Loa Observatory, which may soon be shut down ...

Atmospheric concentrations of carbon dioxide made history last month by climbing to their highest seasonal peak available in historical records, a team of researchers reported. For the first time ever ...

The average level of carbon dioxide in the Earth’s atmosphere had its largest one-year increase on record between 2023 and 2024. In 2024, the level reached 423.9 parts per million, an increase of 3.5 ...

Add Yahoo as a preferred source to see more of our stories on Google. Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global warming, ...

Orange cup corals, pictured growing on rocks above, are native to the Pacific Ocean. As they grow, the corals incorporate minerals from seawater, leaving a valuable historical record in their ...

This volleyball-looking device is one of the glass flasks that Charles D. Keeling and others used to transport samples of atmosphere from Mauna Loa and beyond to a laboratory for precise analysis.

This story originally appeared on the Bulletin of the Atomic Scientists and is part of the Climate Desk collaboration. There are trillions upon trillions of numbers in the world. We use numbers to ...