You can take issue with the way various EU bodies and personalities have handled the financial crisis, but if you take a longer perspective the decision to award the Peace Prize to the European Union was one that was probably long overdue.
We need to diversify how we fund the global fight against diseases like Malaria. The term of art for this is "innovative financing for development." The UN has a laboratory for this named Unitaid, and they deserve to win a Nobel Peace Prize.