Over the last decade, humanity's emissions of carbon dioxide (CO₂) have stabilized after a period of huge growth. Average ...

That brings the annual mean global concentration close to 430 ppm, about 40 percent more than the pre-industrial level ... This graph shows the annual mean growth rates of carbon dioxide, with ...

If emissions continue unabated, carbon dioxide levels could meet or exceed values associated with past warm climates, such as the Cretaceous period (100 million years ago) or the Eocene epoch (50 ...

Over the last decade, humanity's emissions of carbon dioxide (CO₂) have stabilised after a period of huge growth. Average growth is now down to just ...

It’s cool having a graph on your wrist of the ambient concentration ... You’ll also be more than ready to advise other partygoers if the carbon dioxide level is reaching dangerous levels.

Data stretching back at least 800,000 years shows that carbon dioxide levels are now higher than at any other time in human history. Original image has been replaced. Credit: Mashable In another ...