Atmospheric carbon dioxide at Mauna Loa Observatory reached 431.12 ppm in April 2026, up from 429.64 ppm a year earlier, according to NOAA. The rise comes as new research warns a major AI-driven ...

Add Yahoo as a preferred source to see more of our stories on Google. More carbon dioxide — released from cars, factories and power plants — was present in the atmosphere last year than ever before in ...

Climate-warming carbon dioxide concentrations in the atmosphere grew at a record-breaking speed in 2024, surging by 3.7 parts per million, a recent NOAA data analysis has found. It’s one of the agency ...

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 ...

Climate scientists have made one thing clear: Staving off the worst impacts of global temperature rise requires widespread and immediate action to minimize greenhouse gas emissions. Even still, a new ...

June 5 (Reuters) - Carbon dioxide levels as measured atop a Hawaiian volcano extended their record-breaking rise in 2023, reaching a level more than 50% higher than at the onset of the industrial era, ...

Tracy J. Wholf is a senior coordinating producer of climate and environmental coverage for CBS News and Stations, based in New York. More carbon dioxide — released from cars, factories and power ...

More carbon dioxide — released from cars, factories and power plants — was present in the atmosphere last year than ever before in recorded history, according to the National Oceanic and Atmospheric ...