Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, ...

Climate-warming carbon dioxide concentrations in the atmosphere broke another record last month, breaching 430 parts per ...

Since carbon dioxide is a greenhouse gas, the steady increase has significant implications for global warming.

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) ...

Rivers are releasing ancient carbon dioxide, reshaping our understanding of the carbon cycle and its impact on climate change ...

Water treatment is expensive. It uses a lot of energy and produces its own waste that gets disposed of at a hefty price.

The challenge in the search for habitable worlds is clear. We need to be able to identify habitable worlds and distinguish ...

Carbon stored in landscapes for thousands of years is leaching back into the atmosphere via rivers, and human activity may be ...

Keeling’s a climate scientist, but he’s not talking about global warming. He’s talking about the Trump administration’s ...

Artificial upwelling is a geoengineering climate solution with a long history. The concept: mimic natural ocean upwelling by ...

Research in Nature Communications suggests the contribution of ocean biology to climate regulation is more complex than ...