No sunspots in 2015 is quite a bold prediction, and completely counter to the mainstream among solar scientists. Most are predicting an end to the current minimum by late this year or early next year. Regardless, we’re already in a cooling trend I think.
There’s plenty more material on icecap.us or around the web.
The sun is blank--no sunspots
My guess is the sunspots will stop...wait for it...now, er I mean...now.