Germany's aversion to nuclear power may run counter to its desire for both cheap electricity and security of supplies.
On top of that, a rising population, droughts and climbing commodity prices underscore how food security and supplies will be a major challenge in the coming decades.
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Clean-tech investment is also driven by concerns about the security of energy supplies, says Bruce Huber of Jefferies.
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That is of great concern to the Chinese government, where officials worry about the security of energy supplies from abroad.
The additional nuclear power plants would also have the advantage of being less vulnerable to fuel price changes than coal or gas-fired generation, helping to enhance the security of electricity supplies.
If Saudis owned farms abroad, they might be more confident about the security of their food supplies.
Why should governments fret about food security, and not supplies of medicines?
Uncertainty over supplies, and security fears have driven crude prices to record highs in recent months - boosting fuel prices.
Under any realistic scenario, Israel possesses ample supplies to ensure energy security in the power sector for a generation.
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When businesspeople cross borders to trade (even as they once did on the old Silk Routes), they will want plumbing supplies, fresh food, private security, etc.
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Unfortunately, neither the White House nor Congress has offered a strategy to deal with the rising threat to the stability of the Western Hemisphere and to the security of some of our most important energy supplies.
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But because of the downsizing of the military in the last two decades, contractors have come to provide increasing support in other areas, such as logistics (providing the military and U.S. officials with meals, supplies and other items) and security operations.
EU. Among the arguments invoked for Turkey's membership are the promotion of human rights, bridling its generals, fostering European commercial interests in Central Asia, keeping fundamentalists in the region at bay, the security of Europe and the safety of oil supplies.
As a final, but vital, benefit, the UK can meet all of its requirements from domestic sources, cutting out the need to import supplies and allaying growing concerns over energy security.
While the authorities say they cannot guarantee the security of aid agencies in rebel areas, officials say supplies have been reaching a similar number of displaced people in government territory.
Restaurant owner Sari Sarikini said he feels the impact of Israeli security restrictions, which mean he has to buy all his supplies from Israeli wholesalers.
Rep. Sam Gejdenson, a Connecticut Democrat, said the reserve would be an important part of the Northeast's energy security, but it would not erase the enormous shortfall in supplies.
Security is best served by ensuring open access to markets and diversified energy supplies.
Energy security for the U.S. depends on sourcing oil and gas supplies from as many nations as possible.
But fragile politics, dodgy security and a battered oil infrastructure are deterring the investment required to boost supplies.
January's dispute between the two countries disrupted gas supplies to western Europe, prompting the European Union to review its approach to energy security.
Backers hope they will prove a cheaper alternative to helicopters and fixed-wing aircraft for tasks as varied as power and pipeline inspection, mapping, security, border surveillance, research, filming, fire fighting, search and rescue and delivering supplies.
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