China has grown into a trading giant, but recent concerns over the safety of Chinese food and drugs have increased worries that China’s production may have outpaced the country’s policing capacity.

The African Growth and Opportunity Act has boosted U.S.-Africa trade and is viewed favorably by economists. But experts say African states must build trade capacity to benefit fully.

Two years after a tsunami devastated several Indian Ocean countries, a rudimentary warning system is in place. But coordination and funding concerns have slowed plans for a permanent regional system.