CO2 levels in the atmosphere reach a 3 million-year high, putting the world 'way off track' on climate goals The concentration of greenhouse gases in the atmosphere has once again reached record highs ...

The levels of the crucial heat-trapping gases in the atmosphere reached historic highs last year, growing at near-record fast paces, according to the U.S. National Oceanic and Atmospheric ...

The amount of heat-trapping carbon dioxide in the atmosphere has shot past a key milestone — more than 50% higher than pre-industrial times — and is at levels not seen since millions of years ago when ...

A Feb. 7 Instagram post (direct link, archive link) shows Rep. Doug LaMalfa of California questioning a panel of transportation and construction experts about carbon dioxide at a congressional hearing ...

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 ...

Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue.

The amount of heat-trapping carbon dioxide in the atmosphere has shot past a key milestone -- more than 50% higher than pre-industrial times -- and is at levels not seen since millions of years ago ...