The Millennium Development Goals can be met by 2015, but only if all involved break with business as usual and dramatically accelerate and scale up action now.

Many African leaders refuse to send their troops on peace keeping missions abroad because they probably need their armies to intimidate their own populations.

As I travel around the world, people think the only place where there is potential conflict [over] water is the Middle East, but they are completely wrong. We have the problem all over the world.

The question is the morning after. What sort of Iraq do we wake up to after the bombing? What happens in the region? What impact could it have? These are questions leaders I have spoken to have posed.

The number one goal in resolving a conflict is to make sure both sides maintain their self-esteem. You don't hit a man on the head when you've got your fingers between his teeth.

[Refugees] cannot be stopped, but they can and must be managed better, more humanely, protecting migrants' human rights whilst accepting states' rights to control their borders.

The invasion and occupation of Iraq is illegal.