But serious problems remain.

There are four deep problems.

But serious challenges lie ahead.

Greece undoubtedly has serious problems today.

Cloning people raises serious ethical problems.

The installation of jacket foundations may present problems as well.

There are also serious diplomatic and political problems.

But there are serious problems with Putin s strategy.

Russia faces serious and intensifying financial problems.

The sub prime crisis has exposed serious problems that we must address.

The unpredictable evolution of warfare poses a serious challenge for defense planners.

China can already see considerable problems in the medium term.

Serious problems appeared to be skirted, deliberately hidden, or played down.

They could be lending to an institution that is in serious financial trouble.

Moreover, the current economic downturn is creating especially severe problems for the Salvadoran economy.

To be sure, the big issues that the Federal President listed when he dissolved the Bundestag are real.

Clear cutting of old growth forests in the mountains bordering Pakistan may prove as problematic.

We should be open to other ways to stop warming such as cutting carbon emissions in the future instead of now, or focusing on reducing emissions of other greenhouse gases.

(Indeed, a few of these countries have recently been wrestling with severe problems.)

The inherently erratic behavior of the major renewable energy technologies presents serious problems for power system planners.

But lately, more complex problems are beginning to arise from humanity s sharing the atmosphere. Carbon and fluorocarbons affect everyone s children.

The world's drug problems are far more severe today than they were a century ago. Not that drug use has increased fantastically after all, huge quantities of alcohol, opium and other drugs were consumed back then.

Global warming will create significant problems, so carbon reductions offer significant benefits.

But it is the government s dismal economic record over the past four years that is causing the biggest problems for Rousseff s campaign.

A price of 60 a barrel would create severe problems for Russia in particular.

But lately, more complex problems are beginning to arise from humanity s sharing the atmosphere.

The world's drug problems are far more severe today than they were a century ago.

The pessimists who have long forecasted that America s economy was in for trouble finally seem to be coming into their own.

Should I call an ambulance?

Domestically, too, the nine dotted line may cause problems for the government by presenting critics with a useful weapon.

It s not mine to say if they were infiltrated purposefully to cause problems with the police.

'Serious gaffes'

We have to call the police.

Should I call the doctor?

Should I call you a cab?

Should I call you a cab?

In the meantime, the rise of the euro against the dollar creates substantial European pain for manufacturing exporters.

The region has been badly hit by the economic crisis, made all the worse by internal political turmoil and serious security dangers.

Eventually, the southern hemisphere's more dramatic urban problems will spill over into mass migration to northern cities.

He said there were serious problems in recruitment, screening, induction, training and supervision of staff.

They removed his brain tumors with surgery instead of radiation, which might have caused balance problems.

There are serious risks.

For migration triggered by dire economic conditions is also happening between Latin American countries. Keeping this peaceful will be a vexing problem for the region s leaders in the months and years ahead.

Because the IMF is at a crossroads, now is the time for serious reforms, not a quick fix.

Keeping this peaceful will be a vexing problem for the region s leaders in the months and years ahead.