After global temperatures failed to increase, Tom Karl claims: "Global temperatures are continuing to increase."'; on extreme events, Trenberth claims "the fact that they are breaking records and causing tremendous damage when they do occur is undoubtedly because of the human stimulus"

World not quite as hot in 2011 - scientists | News.com.au

"It would be premature to make any conclusion that we would see any hiatus of the longer-term warming trend," said Tom Karl, director of NOAA's National Climatic Data Center. "Global temperatures are continuing to increase."

..."Where these events occur is largely driven by natural variability, but the fact that they are breaking records and causing tremendous damage when they do occur is undoubtedly because of the human stimulus," Trenberth said in an email.