Nothing is happening? Are you kidding? There has been a lot of stuff going on with Annie recently, and the robots slowly forming a religion around Kat, and Zimmy who might be getting better, and whatever the deal's with Anthony, and...
Well, of course, those things don't affect the plot at large (yet?). But as memnarch said, there aren't that many comics where you can expect world-changing events to happen. Maybe it's just not your kind of comic. As for me, I LOVE the world-building, and the characters reacting in their own way to what's going on around them.