What kinds of power plants will be acceptable in the future? Will they be allowed to emit carbon dioxide as in the past?

At this point, the road forward is fraught with peril and uncertainty.

Security challenges continue to create worldwide havoc, fear and uncertainty.

The higher the waves of doubt and uncertainty become, the more the common approach is needed.

The risks include health risks from overcrowding and poor sanitation, increased vulnerability to natural disasters and risks of eviction and economic vulnerability because of the lack of secure employment.

Investment has been discouraged by the rejection of corporate culture, social and political tension, and uncertainty about the reforms.

CAMBRIDGE The world economy faces considerable uncertainty in the short term. Will the eurozone manage to sort out its problems and avert a breakup?

Yet, there is little uncertainty about the Rwandan support as the Usamala project report explains

For the losers of Poland s revolution of 1989, freedom is a great uncertainty.

Other reasons included absence of a partner (27 ) and uncertainty about the future (23 ).

Just as peace and stability do not always lead to creativity and innovation, fighting and uncertainty do not necessarily deter it.

NEW YORK Politics in Asia s two giants, India and China, has suddenly turned very uncertain.

How this spills over into the real economy is yet another source of uncertainty.

This is because Krugman refuses to take seriously Keynes s crucial distinction between risk and uncertainty.

Others suggest that it will be and already is a difficult period of turmoil and uncertainty.

In adverse economic circumstances, governments felt vulnerable and unsure, and they could not afford to alienate public support.

As happens during periods of major and rapid change, the country will experience social tension, uncertainty, and unease.

Many Europeans, not just Italians, are nervous and unsure of where the continent is going.

Entirely absent from these models are the negative effects of more government and uncertainty about how fiscal problems will be resolved.

Perhaps the sheer degree of uncertainty in pre war Europe, or the more amorphous nature of the threat, made security concerns trump financial risk.

A mild drop in early 2011 probably reflected frustration over social injustice and a growing sense of insecurity and uncertainty about the future.

Growth is weakening in many countries, risks are mounting, and uncertainty has intensified, owing especially to events in Europe.

MILAN Last summer, after two years of growing uncertainty, systemic risk in the eurozone finally began to wane, as conditional commitments came together.

Europeans may be confused, inefficient, and slow to take decisions, but democracy still constitutes a wall of stability against economic and other uncertainties.

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Furthermore, North Korea s development of nuclear weapons, its economic fragility, and uncertainty about its very future as a state, are causes of deep anxiety among its neighbors.

But, whereas we only recently learned that financial behemoths create financial instability, foreign exchange markets for a long time were characterized by volatility and uncertainty.

China has been struggling to balance centralization and fragmentation that is, control and uncertainty throughout its long history of rising and falling dynasties, domestic decay, and foreign invasion.

With the approaching end of the Bush presidency and uncertainty about his successor s policy, the window of opportunity for Israeli action is seen as potentially closing.

And a general sense of fear and uncertainty inhibited the few healthy parts of the economy from engaging in meaningful hiring, investment, and expansion.

So, far from reassuring anyone (including Tory Euro skeptics), Cameron s stance heralds a new era of turbulence and uncertainty for Britain and its European partners.