The world currently faces some big, serious and growing problems.

"The world has never faced a problem like this," he told the magazine.

As the world faces an unprecedented economic crisis, we ask what is the best way forward.

The world faces other huge human challenges that need the attention of an international organization, he said.

Someone had to be informed of what the world was facing.

That's what their world will face if we go ahead with this plan, so they have to be told.

He didn't know how they would meet the problems their world faced.

I would not have done it though a world faced me.

It is clear that Europe and the whole world are facing an energy crisis.

The world outside of Europe is facing the energy challenge head on.