As the world grapples with potentially catastrophic global problems, including climate change, it needs to find solutions by overcoming short-term thinking, risk analysts say.

To drive that, a Swedish risk specialist and philanthropist is offering a $5 million prize for the best idea to create a new international decision-making system capable of tackling the world's intractable issues, from extreme poverty to the spread of nuclear weapons and growing environmental damage.

To drive that, a Swedish risk specialist and philanthropist is offering a $5 million prize for the best idea to create a new international decision-making system capable of tackling the world's intractable issues, from extreme poverty to the spread of nuclear weapons and growing environmental damage.