I also recommend Eco-Logical and Climate Concerns, since the climate is changing so drastically. As you're a New Yorker I recommend the video "The Sky is Pink" in the Fracking releases Methane discussion in Eco-Logical.
After you've searched for topics of interest in "Groups" above and in the "Forums", don't forget to look at recent activity which hides along the right margin of the page all the way at the bottom.
Hello Andrew Welcome to this world of rationality, truth and peace, where common sense and science lead to freethinking wisdom --- as you found out when becoming a non believer like us. We invite you to join the busy group "ORIGINS: Universe, Astronomy, Life, Earth, Humans, Religion, Gods, Atheism, Evolution, Darwin..." with 730 discussion topics and 3600 members. http://www.atheistnexus.org/group/originsuniverselifehumankindanddarwin Terry