These growing environmental risks are complex.

The work of memory is hard, expensive, and fragile.

Those factors are all the more complicated because of the massive global unbalance that characterizes current urbanization.

And yet, for Mexico, the really challenging relationship is with the more than 35 million Mexican Americans living in the United States.

One reason is that relations between the military and the Islamist movement are more complicated than they appear.

Just as Syria comprises a more complex society than the other Arab countries currently in the throes of political transition, so, too, are its external relations more complex.

As a result, our mechanisms for dealing with risk can become increasingly differentiated and complex.

She will cope with difficult problems.

In fact, Chinese attitudes may be more complicated and less unified than they seem.

This kind of shameful experience will make your job hunting more difficult and humiliate you all your life.

Europeans views of Asia in general, and China in particular, are more complex and swing from lucid adjustment to a new and respected competitor to pure ideological rejection.

The problems are too complex, and the dangers of radicalism too advanced, to permit success through haphazard means.

First, both cyber security and financial stability are extremely complex topics with which government regulators can hardly keep up. Industry remuneration for experts is far in excess of any public sector salary, and the best minds are continually bid away.

First, both cyber security and financial stability are extremely complex topics with which government regulators can hardly keep up.

With calculus, the whole idea of subdivision is more complex, because the whole and the parts are one continuous series.

While the information revolution could, in principle, reduce large states power and increase that of small states and non state actors, politics and power are more complex than such technological determinism implies.

More than 80 of Aleppo's inhabitants are Sunni Muslims.

These viruses, apparently developed by the US and Israel to disrupt Iran s nuclear program, embody a level of sophistication far beyond anything previously seen.

Human rights and freedom of expression remain complex challenges.

Even systems of taxation and social welfare are more sophisticated in using new tools of insurance, finance, and information technology.

The causes of obesity are complex, and the science of understanding human behavior is embryonic but it is not hyperbole to call the problem an epidemic.

Data entry requirements for several INFOCAP services are quite complex and may require training to ensure correct data entry.

Or, more accurately, something they happen not to be.

Moreover, in an era of global media and international war crimes courts, the criteria for states use of military force have become more complex than ever.

The deeper we dive into what we once thought were straight forward evolutionary processes, the more wondrous and complex they are revealed to be.

While heavy metal was growing in popularity, most critics were not enamored of the music.

The later it comes, the more devastating the consequences.

But what if they become sufficiently complex to have feelings?

Because we want this to be difficult, and I'll tell you why momentarily.

The problem, at least, is simple As finance has become more complicated, regulators have tried to keep up by adopting ever more complicated rules.

Additionally, strategies to circumvent the Basel rules made banks more complex and difficult to manage and supervise.

On closer scrutiny, such facile phrases are deeply disturbing.

Are pointless gestures really the way to secure a greener future?

No surprise that more than half of the most respected companies are American.

The Democrats are surely the more skeptical of America s two parties.

In Sierra Leone alone, over 60 of the country s youth are jobless.

Unconventional measures are part of a broader transformation of monetary policymaking.

Such factors are symptomatic of larger problems with humanitarian interventions.

These more flexible lending policies reflect a new image of the IMF.

For one thing, the data are generally more reliable in these regions.

Mayor Bloomberg s plan comes at the right time for a city burdened by worsening traffic and pollution problems.

Moreover, opinion polls in France are fickle omens. Since 1981, no poll favorite has won the presidency.

These refusals to accept matters of plain fact reflect a still wider pattern.

Our societies are more resilient, open, and diverse than ever.

Moreover, opinion polls in France are fickle omens.