Li Cohen is a senior social media producer at CBS News. She previously wrote for amNewYork and The Seminole Tribune. She mainly covers climate, environmental and weather news. "Over the past year, ...

Carbon dioxide is accumulating in the atmosphere faster than ever before, putting hopes of limiting warming in jeopardy. For more than 60 years, scientists at the Mauna Loa Observatory in Hawaii have ...

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 ...

Levels of planet-heating carbon dioxide gas in the atmosphere are rising “faster than ever,” according to a report published Thursday. That spells serious disruption for the climate in decades to come ...

Despite rising awareness about global climate change and its devastating impacts, carbon dioxide levels keep treading in the wrong direction. This year’s annual increase of CO2 levels is one of the ...

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 ...

Air samples from NOAA's Mauna Loa observatory in Hawaii provide important greenhouse gas data for climate scientists around the world. (NOAA) Carbon dioxide levels measured at NOAA’s Mauna Loa ...

Carbon dioxide (CO2) blood tests evaluate the presence of the gas in your blood. If your CO2 levels rise too high or fall too low, the test results may be an indication that you have a health ...

Atmospheric carbon dioxide levels reached an all-time record high last month, after growing at one of the fastest rates on record, according to a National Oceanic and Atmospheric Administration report ...

Carbon dioxide is accumulating in the atmosphere faster than ever — accelerating on a steep rise to levels far above any experienced during human existence, scientists from NOAA and Scripps ...