Settled science?

First of all, scientific theory is not proven through a ballot. It is proven through empirical processes. It is not settled by what could happen until it really happens. And even then, a better model may come along to explain what happened.

Having said that,
17,200 scientists dispute global warming
(3,000 UN politicians disagree)

2nd CNN meteorologist challenges manmade global warming theory

Over 30,000 scientists sign a petition against the man-made theory
Even climate extremists are having a bit of trouble with the data

NASA can't make up its mind

Brit's Met Office revisiting data

Answers explanation of atmospheric composition and what contributes

updated with this source from Science Daily, which doesn't appear to have any particular bias:
No Rise of Atmospheric Carbon Dioxide Fraction in Past 160 Years

Here is a detailed discussion of factors besides anthropomorphic CO2 that affect temperatures and an explanation of the actual values instead of just percentages. Takes some time to digest.