New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will ...

"The amount of CO2 in the atmosphere today is comparable to where it was around 4.3 million years ago during the mid-Pliocene epoch," NOAA said, "when sea level was about 75 feet higher than today ...

Levels of carbon dioxide and methane continued their "historically high rates of growth" in our atmosphere during 2022, ... Gases fueling climate change still rising at an alarming rate, NOAA says.

Greenhouse gas concentrations in the atmosphere reached record highs in 2023, the U.N. warned, with countries falling "miles short" of what is needed to curb devastating global warming.

Emissions of carbon dioxide – the gas most responsible for global warming – continued to rise in Earth's atmosphere in 2022, federal scientists announced recently. Carbon dioxide (CO2) in the ...

The air moving above the forest carries valuable information about how trees absorb carbon, and what may happen in the future ...

This May, the concentration of CO2 in the atmosphere hit nearly 427 parts per million, which is an increase of about 3 parts per million compared to last year’s peak. That’s one of the largest ...

UN says greenhouse gases in atmosphere hit record high in 2022. Leader of UN’s meteorological agency says the world is still ‘heading in the wrong direction’ and must cut use of fossil fuels.