But deciphering the script is a very challenging task.

The real challenge then, is to try to figure out how we can change rules.

The selection of indicators has proven to be challenging.

It's a very challenging task. But more to come later.

That was challenging.

The science of complexity is probably the greatest challenge of all, greater than that of the very small on the left and the very large on the right.

There's nothing wrong with big, crazy challenges.

And this is a challenge.

This is challenging work to do.

In fact, it is a challenging concept for both developed and developing countries.

Production of the Treaty Series through the database was a particularly challenging aspect of the project.

Determining an optimal level of accountability for results is also challenging.

At the best of times, traveling between Indonesia's many islands is challenging.

Accordingly, the protection obligations of the United Nations were becoming increasingly challenging and complex.

The past year was indeed very challenging for the humanitarian community.

However, cities have the tools to assist in the search for an answer to these challenges.

DM She's very tough it's most challenging.

Pool is geometry... in its most challenging form a science of precise angles and forces.

Effective implementation of such commitments is indeed a complex and challenging task, which requires political will and adequate resources.

The year under review has been a challenging one for the United Nations, but the challenges have created an opportunity to debate change in the Organization.

We have committed ourselves to challenging goals, in particular to reducing extreme poverty by half by the year 2015.

The past year was particularly challenging for achieving the objectives of disarmament, arms control and non proliferation.

That challenge could be met only if there was consensus on what the nature of the new Organization should be.

Specific challenges related to indigenous peoples' development

He said that there was a greater challenge ahead, the challenge of poverty, of climate change global challenges that needed global solutions and needed the creation of a truly global society.

And that's that's rather more challenging than all the speakers before me and all the ones coming after me.

It's going to be very challenging to deal with.

Regarding the implementation of Atlas, he noted that 2004 had been a challenging year, however, much had been accomplished.

Thailand is well aware that the more challenging tasks which lie ahead are rehabilitation, reconstruction, recovery and prevention of the impact in the aftermath of the tsunami disaster.

So what would some of the specific challenges look like?

Why, it's the most fascinating venture I've ever undertaken.

In several parts of the world, energy is an especially challenging issue since households rely on wood for their energy consumption.

I look back on a few years of incredibly hard, but at the same time challenging, work.

The drama here is, in fact, that it may show that the climate challenge is the easy one, if you consider the whole challenge of sustainable development.

(c) Conduct of inspection and compliance missions, with a particular focus on the most challenging locations worldwide (40)

And so, that allows you the flexibility to go into very challenging terrain and actually make your way where you want to go.

And this is a very challenging idea. It's a very challenging idea to mainstream media. It's a very challenging idea to anyone who has invested an enormous amount of time and expertise, and who has a lot of energy invested in the notion that he or she knows better than everyone else.

His eight years of service as Director General of UNIDO had been a challenging time to which he had devoted all of his energy.

The Biodiversity Challenge

28.16 Population, with its various dimensions, is one of the major challenges confronting the international community.

Breadth, balance and cohesion in the curriculum will be achieved through classroom learning experiences that are positive, challenging, stimulating and enjoyable.

A further challenge consists in developing a competitive environment on the supply side.

121. Meeting our commitment to enhancing economic and social development, particularly in countries in the greatest need, is an increasingly challenging task.

A new appreciation for the privilege that we have of undertaking this challenge.

We're putting this enormous load on them for three or four days and it's very challenging, Mora said.