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.

The deployment and use of this seismic network is considered one of the most challenging aspects of the Don Quijote mission.

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

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

Being a woman need not and should not be among the greatest challenges of life.

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

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

There's nothing wrong with big, crazy challenges.

That challenge, he said, required a new inclusive and democratic paradigm.

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

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

Meeting the challenges adaptation, flexibility and professionalism

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

And this is a challenge.

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

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

The selection of indicators has proven to be challenging.

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

Every effort should be made by all States parties to contribute actively to building the knowledge base that will be conducive to the ability of the Conference to perform its most challenging functions.

But deciphering the script is a very challenging task.

Planners should tailor the range and mobility of the service requirements to respond to those challenges, and map technologies to meet the needs of the end user.

We recognize the challenging role of the United Nations in responding to complex emergency situations.

To face these and other gender challenges to peace and security, comprehensive strategies must be pursued, and concrete targets must be met.

The Secretary General has described the response to the South Asian earthquake as the most challenging relief operation ever faced by the United Nations.

To conclude, Mr. President, let me mention some specific challenges we face.

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

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

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

We are developing innovative and concrete responses to the challenges we face.

It is now for Member States to respond constructively to the challenge.

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

Perhaps the most challenging issue that has not been considered quantitatively so far is surmounting the difficulty of disentangling the uses of NTBs that are discriminatory from those that are defensible (on legal grounds).

The strategic areas of concentration include supply of near real time operational services for maritime applications.

Reform of the security sector has therefore been one of the most important and challenging items on the institutional agenda.

Regional structures with such potential that are now operating effectively should play a mutually complementary role in facing new threats and challenges.

There is, therefore, an urgent need for the enactment and rigorous implementation of concrete measures to address those challenges.

That was challenging.

The Biodiversity Challenge

That's my biggest challenge.

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.

If strategies to deal with those challenges are to be effective and successful, they have to be comprehensive in nature and address the root causes and negative consequences of the conflict.

When dealing with international security challenges, diplomacy remains the primary tool but, by investing in defense, we can back up our statements with military strength and improve our chances of addressing challenges successfully. It is also an investment in our most innovative and technologically advanced industries.

(d) More flexibility should be allowed in the use of the country strategy note to meet special countries needs

Rapidly matching donation offers with needs is one of the greatest challenges.

And I don't mean most imaginative use in politics I mean most imaginative use ever.