Nobel Prize Winner kicks Cargo Cult CO2 Doom Merchants

In 2008 I participated on a panel at the Lindau meeting discussing “Global Warming” and to prepare, I looked into the subject using the internet. I found that the general belief is that the average surface temperature over the whole earth for a whole year has increased from ~288 oK to 288.8 oK in roughly 150 years, i.e. 0.3% and that it is due to increased CO2.  If this is true, it means to me that the temperature has been amazingly stable.
In the same time period the number of people has increased in the world from 1.5 billions to over 7 billions. Is it possible that all the paved roads and cut down forests have had an effect on the climate?
The American Physical Society think differently, however, as its public position is:

Emissions of greenhouse gases from human activities are changing the atmosphere in ways that affect the Earth's climate. Greenhouse gases include carbon dioxide as well as methane, nitrous oxide and other gases.