According to
a recent Pew Research Center survey, 25% of USA adults believe that “there is no solid evidence that earth is getting warmer”. It's true that, if you carefully cherry-pick your data, you can claim that the temperature hasn't gone up in the last
N years, for ridiculously small values of
N. However, not only do you have to be
extremely careful in your cherry-picking, you have to be phenomenally (perhaps deliberately) ignorant not only of how data analysis works but also of how to look at a simple graph. Here's some data analysis and some graphs.