The HadCRUT global temperature dataset (Sept. 2012) was recently published - this is the dataset used in the most recent IPCC report and it currently shows that global warming from CO2 emissions is essentially non-existent
(click on image to enlarge)
For the 15-year period ending September 30, 2012, the world experienced a very slight cooling trend of -0.12°C per century.
In contrast, for the 15-year period ending September 1997, the globe was warming at a +1.18°C pace.
Additional temperature & climate charts.