New bartering practices in Mexico is where residents exchange trash for fresh food . He also picks up baby lettuce plants , which he plans to grow at home and sell at the market when he visits again . The Mercado de México encourages people to recycle paper , glass and plastic . In Mexico , residents receive vouchers that are exchanged for produce at a farmers ' market .
New bartering practices in Mexico is where residents exchange trash for fresh food . The Mercado de México encourages people to recycle paper , glass and plastic . In Mexico , residents receive vouchers that are exchanged for produce at a farmers ' market .