Tag Archives: Parts-per notation

Study: The Late Cretaceous Period was likely ice-free

From the University of Missouri-Columbia COLUMBIA, Mo. – For years, scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago when the climate was much warmer than it is today. … Continue reading

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Posted in Paleoclimatology, Sea ice | Tagged , , , , , , , | 118 Comments

CO2 by the numbers: having the courage to do nothing

Guest essay by Ed Hoskins. Some simple numbers on the effect of CO2 concentration on temperature As the temperature increasing effect of atmospheric CO2 is known to diminish logarithmically with increasing concentration, these notes clarify the actual amount of warming … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 157 Comments

Mauna Loa hits 400 PPM of CO2, alarmists wail and gnash teeth, Earth survives

Source: http://www.esrl.noaa.gov/gmd/ccgg/trends/weekly.html Al Gore calls for a day of prayer and reflection, and bothering your neighbor: So please, take this day and the milestone it represents to reflect on the fragility of our civilization and and the planetary ecosystem on … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 292 Comments

Carbon, on the uptake

From the University of Bristol Carbon cycling was much smaller during last ice age than in today’s climate Atmospheric carbon dioxide (CO2) is one of the most important greenhouse gases and the increase of its abundance in the atmosphere by … Continue reading

Posted in Carbon dioxide, Paleoclimatology | Tagged , , , , , , , | 85 Comments