No they didn't. Otherwise they wouldn't be continuing to refine their work, looking into feedback mechanisms, debating the extent of future warming, etc. As far as I'm aware there is nothing within the uncertain areas of the science that negates anthropogenic warming OR future warming trends. The human-link to concerning levels of global warming is very compelling in terms of evidence, and it would be CRIMINALLY NEGLIGENT if businesses and governments did not act now with the precautionary principle in mind. Again, it comes down to assessing credible risks and looking at the pros vs cons of taking action and not taking action. We cannot allow the oil and arms industries to all take us down a cliff.