NO!
Never. It was not renewed for a second season.
No. It was only on for one season.
Yes Haven has been renewed for a 3rd season on the SYFY Network. It just aired it's second Season Finale. And no it has not been renewed or cancelled either.
Peak Season has not yet been renewed for a second season
Yes, thankfully, it did.
Yes. It was announced May 18th, 2009 that Dollhouse has been renewed for a second season
It didn't. It was renewed for a second season. Shows that flop don't get renewed.
The show Tower Prep has been renewed for a second season!
No. The Walking Dead has been renewed for a third season, which will begin in October 2012.
No. According to Unnatural History wikipedia, Cartoon Network has not renewed the series for a second season.
It's still on. In fact, it was renewed for a second season.