http://bblmedia.com/sports/extreme_photorgapher_grand_canyon_jump.html
Hans van de Vorst photo
How Much Global Warming Is Guaranteed Even If We Stopped Building Coal-Fired Power Plants Today? ….
we are rapidly approaching a point of no return, cautions climate modeler Ken Caldeira of the Carnegie Institution for Science’s Department of Global Ecology at Stanford University
Sounds scary. But the geologic record provides no support for his claim. During the late Ordovician, CO2 levels were 10X current values, and there was an ice age.
http://ff.org/centers/csspp/library/co2weekly/2005-08-18/dioxide_files/image002.gif
The real point of no return is when you can’t see past your own unsupportable belief system.
