The last method is a potential problem since religious officials forbid sex outside marriage.

CNN: A Spirited Response

Two-thirds say religious tension is a significant problem in the city.

ECONOMIST: Ancient hatreds die slow

The president has said he has addressed the problem, and said religious conflict isn't increasing in Indonesia.

WSJ: Indonesia Weighs Curbs on Sex, Magic

"Religious extremism is certainly part of the problem, " Romney said of the tension and violence in the Middle East.

CNN: SHARE THIS

And politicians believe that every problem in society, from religious and racial segregation to obesity and laziness, has a solution involving schools.

ECONOMIST: Using scarce head teachers more wisely

Turkey's problem is that any form of religious piety is considered to be fundamentalist.

ECONOMIST: Feeling deflated

The problem with South Sudan is that they keep classifying the conflict along religious lines.

BBC: Sudan - should we do more?

The problem, however, is that not every corporate member subscribes to this religious belief, especially in large diverse corporations with presence in many parts of the world.

FORBES: How to Turn Every Corporate Member into a Philanthropist

These four principles illustrate that the concept of sustainable development in the Earth Charter embraces the view that the problems of poverty, environmental degradation, ethnic and religious conflict, and social injustice are all interdependent, and that policies that address one problem can impact and improve other issues.

UNESCO: Understanding sustainable development

One problem, says Mr Kuran, is that religiously-inspired institutions change more slowly than religious dogma.

ECONOMIST: Religion and economics