It’s shaping up to be a pretty dry week across Southern Colorado. You’ve likely noticed the lack of rain and thunderstorm ...

Steam rises from a coal-fired power plant in Niederaussem, Germany, in November. Levels of heat-trapping carbon dioxide in Earth’s atmosphere are the highest they’ve been in 4 million years.

Atmospheric levels of carbon dioxide are now similar to where they were around 4.3 million years ago. Methane is a powerful, heat-trapping greenhouse gas that’s the second-biggest contributor to ...

The National Oceanic and Atmospheric Administration announced Friday, June 3, 2022, that the amount of carbon dioxide in the atmosphere in May averaged 421 parts per million, more than 50% higher ...

Atmospheric levels of methane, a powerful, heat-trapping greenhouse gas that’s the second-biggest contributor to human-caused global warming after carbon dioxide, also increased in 2022.

Carbon dioxide levels in the atmosphere are closely monitored to gauge how much humans are influencing Earth’s climate. The readings are also an indicator of the planet’s overall health.

NOAA said carbon dioxide levels are now about the same as 4.1 to 4.5 million years ago in the Pliocene era, when temperatures were 7 degrees (3.9 degrees Celsius) hotter and sea levels were 16 to ...