There's now more carbon dioxide (CO2) in the atmosphere than ever before in human history, scientists have revealed. For the first time on record, monthly average CO2 levels exceeded 430 parts per ...

Current CO2 levels are approximately 420 parts per million (ppm) (0.042%) of air, according to Intergovernmental Panel on Climate Change (IPCC), which the graphic states accurately, but the chart’s ...

Rising carbon dioxide levels are heating the planet but may also have an alarming, invisible impact on the human body, according to new research.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Kenneth J. Davis, Penn State (THE CONVERSATION) Earth’s atmosphere contains carbon ...

An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time, ...

Despite an ever-growing body of evidence indicating we're now living beneath unprecedented levels of atmospheric greenhouse gases, a lack of thorough historical knowledge has hindered our ability to ...

Surging emissions from wildfires may have been behind the increase, which was the largest since modern measurements began more than half a century ago. By Raymond Zhong and Sachi Kitajima Mulkey The ...

GENEVA, Oct 15 (Reuters) - Carbon dioxide levels in the atmosphere have reached the highest ever recorded, potentially further warming the planet and leading to more extreme climate events, a new ...