For those who are interested in learning about why someone might be an atheist, what exactly that entails, and common issues relating to atheism, we have compiled a non-exhaustive list of resources. Below are articles and websites that you might find interesting. As you will see, atheists come from many different cultural, political, and philosophic backgrounds.
Atheist Nexus, the worlds largest online community for atheists
Atheist Social, another great community for nonbelievers
The local groups: