It should be a challenge of creating wealth.

Let it be a challenge to you, huh?

A transition from fossil fuels would be a monumental challenge.

I think it will be quite a challenge for me.

This will be a considerable challenge in the time available.

So it gets to be more and more of a challenge.

In many ways, this will be a novel challenge for you.

a challenge.

Building a reformed and effective judiciary system continues to be a critical challenge.

Today we repeat those words, conscious that there is a gathering momentum of world opinion in support of the complete elimination of nuclear weapons. This is a moral challenge, a legal challenge and a political challenge. That multiple based challenge must be met by the application of our humanity.

It's a challenge.

The Meeting agreed that energy remained a particular challenge for Mongolia and financial resources and qualified personnel would be needed to address that challenge.

Defining their respective roles can be a challenge, often seen in integrated missions.

The democratic challenge today is, above all, a social and human challenge.

A challenge, of course.

That's a huge challenge.

61. This serious challenge must not be underestimated.

We need to reframe the challenge that is facing Africa, from a challenge of despair, which is called poverty reduction, to a challenge of hope.

The Rio Group countries deem the situation of our youth to be a priority and a challenge.

Divisions within the rebel movements, particularly SLM A, are likely to be a challenge during the talks.

But the challenge is changing society's perception of possibility, and it's a huge challenge.

And this is a challenge.

So that became a challenge.

I don't need a challenge.

So our first challenge was to find these things, and that was a challenge, indeed.

The tracking and apprehension of fugitives nonetheless continues to be a major challenge for the ICTR.

The main political challenge in the coming months will be the drafting of a national Constitution.

However, approval for the required level of resources continues to be a challenge for the Organization.

It's a challenge to our ingenuity.

That's a challenge. I like this.

So that's a tough challenge, right?

I think it's a great challenge.

However, poverty remained a major challenge.

A further challenge would be to prove convincingly to all concerned the unique value of subregional offices.

Another challenge is that the underlying systemic causes of conflict should be addressed in a comprehensive manner.

And I think that what connects the challenge for civil society, the challenge for governments and the challenge for business now is, in a way, a very simple one, but quite a difficult one.

That's a challenge for 21st century science.

And it's a brand new leadership challenge.

It's a real challenge in the future.

It's really a huge challenge for us.

Because we are confronted with a challenge.

OIOS sees that as a serious challenge.

Integrating those activities presents a major challenge.

Non State actors posed a new challenge.

Non compliance is a challenge to multilateralism.