TOKYO -- Global food prices are once again facing upward pressure due to the record cost for shipping grain in the U.S., the source of about 20% of world exports.
Surging fertilizer costs add to hunger threat in emerging nations

Drought conditions have caused Mississippi River water levels to drop, triggering barge draft restrictions.
TOKYO -- Global food prices are once again facing upward pressure due to the record cost for shipping grain in the U.S., the source of about 20% of world exports.