There’s been much written about the efforts of diplomats from Russia, the U.S., China and Saudi Arabia to water down the Summary for Policymakers on Climate Change Impacts, Adaptation and Vulnerability. For readers who wish to do their own comparison, here are some useful links:
From the IPCC itself:
The Summary for Policymakers published on April 6, 2007
From Climate Science Watch:
The Confidential Draft prepared for Final Government Review
From DeSmogBlog
A side-by-side comparison of paragraphs that were changed