Global food security was among demonstrators' top concerns in New York on Sunday during the largest march in history to call for action on climate change.
Research shows we can increase food availability up to 70 percent just by using farmland more efficiently.
Vertical gardens are a cool way to claim unused space in the city. One nonprofit is using them to combat hunger in urban areas.
Days before making landfall on the east coast of the United States, Hurricane Sandy devastated crops, infrastructure and lives throughout the Caribbean.
The worst drought in 25 years has caused the corn and soybean supply to dwindle. Is help on the way?