Tag Archives: Carbon dioxide in Earth’s atmosphere

Atmospheric CO2 lifetime

The Hockey Schtick appears to be excited about a new paper that finds that the lifetime of CO2 in atmosphere is only 5.4 years. This appears to actually be an abstract for a conference presentation, rather than an actual paper. … Continue reading

Posted in Climate change, Global warming | Tagged , , , , , , , | 15 Comments

Dangerously low levels of carbon dioxide!

I was going to write something about a recent Pierre Gosselin post on NoTricksZone called Atmospheric CO2 concentrations at 400 ppm are still dangerously low for life on Earth. The post ends with No one disputes that man’s activities have … Continue reading

Posted in Anthony Watts, Climate change, Global warming, Watts Up With That | Tagged , , , | 5 Comments