This study has been criticized for various flaws in its methods and interpretation. (rehydrate.org)
The linked page provides the text of the scientists» appeal, describes the process of their formulating the letter, and links to a full list of the over 400 signers, as well as to specific complaints about Allegre from Louise Sime, Hakan Grudd, and to five sites carrying debunking of various flaws in Allegre's book. (realclimate.org)
Following its launch, many IT experts have cast doubt over the system, spelling out various flaws that make it a faulty tool to undertake the purpose for which it was built. (citifmonline.com)