Category Archives: Gaia

Has Gaia really been explained?

I was interested in a new paper which claims to be able to explain the Gaia hypothesis, first proposed by James lovelock, that life stabilises the earth’s climate.  The paper is described in an article in the Conversation. The paper … Continue reading

Posted in Climate Change, climate science, Gaia | Tagged | 5 Comments

Does Gaia end Ice Ages?

Orbital changes to solar radiation inside the Arctic circle alone are insufficient to end all ice ages.  A new paper by Ralf Ellis proposes an elegant solution to the mystery of how ice ages terminate. Life itself could provide the ultimate … Continue reading

Posted in Climate Change, climate science, Gaia, Ice Ages, Science | Tagged | 39 Comments

Evidence for Negative Water Feedback

Abstract: Positive linear climate feedback for combined water effects is shown to be incompatible with the Faint Sun Paradox. In particular, feedback values of ~2.0 W/m2K-1 favored by current GCM models lead to non physical results at solar radiation levels … Continue reading

Posted in AGW, Climate Change, climate science, Gaia, Science | Tagged , , | 41 Comments