Brent Constantz, CEO of green cement company Calera, forwarded us a document from one of his scientific advisers today that partly explains what they are doing
and to further respond to criticism from Ken Caldeira. It's still vague, it's one they showed to BusinessWeek where the story broke, but good to have on the record.
The document was prepared by J.R. O'Neil, Professor Emeritus, Department of Geological Science at the University of Michigan. There is clearly no love lost here.
"In essence, Caldeira goofed up big time and should have known better," O'Neil wrote. The story has no legs."
Caldeira, however, is not some random Internet crank. He's a climate scientist at the...