With tighter sanctions on Iran scheduled to go into effect in the second half of this year, global oil prices could spike further, adding uncertainty to fragile global economic prospects.

As fears rise over currency clashes, policy makers must confront the challenges of a two-speed global economy where China and other emerging markets are surging ahead while Europe, the United States, and Japan face a number of serious economic concerns.

After the worst year of economic performance in recent memory, most projections show positive growth in 2010, but questions about the sustainability of the recovery remain central.

The fragile global recovery is gaining traction, but it is still too early to begin reversing government stimulus efforts. A panel of experts discussed the worldwide economic rebound and offered policy advice as to how it can be sustained.

Although recovery from the global financial crisis will likely occur in 2010, forecasts are imperfect and great economic damage has already been done. Leaders at the upcoming G20 summit must adopt more ambitious and coordinated policies to address this crisis.