The loss of big trees was greatest in areas where trees had suffered the greatest water shortage.

But carrots got their biggest boost during the two world wars when food shortages forced people to eat them and governments told everyone how healthy carrots were.

Yet I, too, have resisted the idea that food shortages could bring down not only individual governments but also our global civilization.

What about supply? The three environmental trends—the shortage of fresh water, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand.

The author has come to agree that food shortages could ultimately lead to the collapse of world civilization.

Social order is breaking down in many countries because of food shortages.

Since the current world food shortage is trend-driven, the environmental trends that cause it must be reversed.

Rather than superpower conflict, countries unable to cope with food shortages now constitute the main threat to world security.

Of all those trends, however, the spread of water shortages poses the most immediate threat.

Increasing water shortages prove to be the biggest obstacle to boosting the world's grain production.

Environmental problems must be solved to ease the current global food shortage.

But water shortages are even more worrying in India.

But as the nursing shortage worsens, a growing number of schools and hospitals are establishing fast-track programs that enable college graduates with no nursing experience to become registered nurses with only a year or so of specialized training.

Solutions to global fuel shortage.

since the current world food shortage is trend-driven, the environmental trends that cause it must be reversed.

The three environmental trends—the shortage of fresh water, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand.

This is after the country's main manufacturer stopped sales due to a potato shortage.

Wells are much more reliable sources of freshwater, and California is hoping that these deep wells may be the answer to their severe water shortage.

For example, the United Nations Children's Fund estimates that some 11 million children in Africa face hunger, disease, and water shortages as a result of the strongest El Ni o ( ' , 厄尔尼诺) weather phenomenon in decades.

We aren't suffering from a shortage of needed skills; we're suffering from a lack of policy resolve.

Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage ( ' , 下 水道污水) to irrigate and fertilize nearly 49 million acres of cropland, according to a new report—and it may not be a bad thing.

But as the working classes prospered and the servant shortage set in, housekeeping became a matter of interest to the educated classes.

Short-term oil shortage drove American consumers to wait in long lines at gas pumps.

The government also established a stockpile (贮存) of oil as a short-term buffer (缓冲) against future shortages.

In many countries immigrants have been filling such gaps in the labour force as have already emerged (and remember that the real shortage is still around ten years off).

For example, the shortage of young adults is likely to make countries more reluctant to commit the few they have to military service

Countries that have a shortage of young adults will be less willing to commit them to military service.

Early indications are that Smith will have no shortage of farm members.

In the past 12 months, Nigeria has suffered from a shrinking economy, a sliding currency, and a prolonged fuel shortage.

Now, Africa's largest economy is facing a food crisis as major tomato fields have been destroyed by an insect, leading to a nationwide shortage and escalating prices.

There was a shortage of check in desks.

Also, some research suggests that the explanation for rising rates of mortality, mental-health problems, and addiction among poorly-educated middle-aged people is shortage of well-paid jobs.

One oft-debated cure for this labor shortage remains as implausible as it's been all along: Native U.S.

The shortage is compounded by federal immigration raids, which remove some workers and drive others underground.