Joseph Szabo explains the benefits of a proposed U.S. high-speed rail system.

Ashley Halsey III and Dana A. Hedgpeth consider the need for enormous investments in the U.S. transit system.

President Obama listed infrastructure as one of the key investments to the United State's long-term economic growth and its ability to be a world leader. However, by some estimates from 2006 and 2007 data, the U.S. government expenditure on infrastructure recently dropped to about 2.4% of its GDP, while Europe spends 5% of its GDP and China spends about 9% of its GDP in this sector.

This report lays out the economic challenges posed by our ailing infrastructure and suggests a series of recommendations for crafting new innovative transportation policies in the U.S.

Ailing U.S. infrastructure is seen as threatening U.S. competitiveness, but spending to fix it is a growing topic of debate between Republicans and Democrats as President Obama presses a new jobs program.

This report describes the economic challenges posed by our ailing infrastructure, provides a comparative look at the smart investments being made by our international competitors, and suggests a series of recommendations for crafting new innovative transportation policies in the United States.

Can the United States improve its energy security in a clean, affordable, and efficient way? Five experts offer solutions to the daunting energy challenges facing the United States.

Max Boot says preparedness of the U.S. military cannot be sacrificed for a federal budget deal.

Leslie H. Gelb discusses "nine things that make you want to scream" in U.S. politics and foreign policy.

Washington claims that the country's borders are more secure than ever, but the truth is that no one knows for sure.

The United States' fiscal future depends on whether the country can limit health-care costs.

Clean energy was supposed to create jobs while reducing energy insecurity, global warming, and the U.S. trade deficit.

Foreign governments, non-state actors, and criminal networks are targeting the digital networks of the United States with increasing frequency and sophistication. U.S. cybersecurity has made progress, but relies heavily on the private sector to secure infrastructure critical to national security.

This Report, the fifth in an annual series coproduced by the Urban Land Institute and Ernst & Young, looks at infrastructure activities across six continents, paying particular attention to emerging markets in the United States. The report outlines infrastructure policy, looks at future trends in infrastructure investment and recommends strategies to facilitate growth.

Though shifts in demand and reduced production by some major producers have influenced oil prices, investor behavior is also increasing market volatility.

How can the United States improve its aging infrastructure to maintain its global economic competitiveness? Four experts offer their suggestions and discuss the implications of inaction.