The report said carbon dioxide concentration levels were 420 parts per million ... according to the US National Oceanic and Atmospheric Administration.

Carbon-rich water sinks deep underground, locking away CO2 where it can’t harm the climate anymore, even during earthquakes.

There's a small chance of very high warming even with moderate future emissions, according to a computer model exploring what ...

the top 10 hottest years were all in the past decade and planet-heating carbon dioxide levels in the atmosphere are at an 800,000-year high, a report Wednesday said. In its annual State of the ...

Scientists fear an 'irreplaceable' loss of key climate data as Trump cost-cutting plans target a key CO2 monitoring site in ...

State of the Climate report said the past 10 years (2015-2024) were the warmest on record, with each of the last eight years setting new highs for ocean heat content.

Climate experiment in a forest in Staffordshire, UK, is testing how trees respond to higher levels of carbon dioxide in the air ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

Over the last 60 years, the amount of CO 2 in the atmosphere has more than tripled. Today, carbon dioxide levels are estimated to be higher than ever before in human history. The presence of such ...

Last year was the hottest year on record, the top 10 hottest years were all in the past decade and planet-heating carbon dioxide levels in the atmosphere are at an 800,000-year high, a report ...