News tagged with atmospheric co2

Atmospheric carbon levels nearing historic threshold

(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...

Apr 24, 2013
3.9 / 5 (28) 52

The last ice age

A team of scientists has discovered that a giant 'burp' of carbon dioxide (CO2) from the North Pacific Ocean helped trigger the end of last ice age, around 17,000 years ago.

Jul 03, 2014
4.1 / 5 (26) 33