The Earth is dealing with something that it hasn’t faced in at least the last 800,000 years. It’s a dramatic shift in the levels of carbon dioxide present in the planet’s atmosphere, and it’s ...

Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and Atmospheric ...

As humans burn fossil fuels and pump carbon dioxide into the atmosphere, we are heating up the planet. But there is another alarming impact of this climate pollution: it may be changing the chemistry ...

A July 13 Instagram post (direct link, archive link) features a graph charting historic atmospheric carbon dioxide levels and temperature variations over the past 400,000 years. “Antarctic ice core ...

Add Yahoo as a preferred source to see more of our stories on Google. Smoke billows from a large steel plant on Nov., 4, 2016, in Inner Mongolia, China. Over the industrial era, the amount of carbon ...

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 ...