TOKYO -- Investors around the globe are hunting for companies that aim to solve the world's food problems with technology, and corporate efforts to reduce food waste offer a juicy opportunity.
Tuna wrapped in mold keeps for 20 days while dried veggies last two years

A tuna is sliced at a Tokyo fish market. Prolonging shelf life through technology will reduce food waste. (Photo by Akiyoshi Inoue)
TOKYO -- Investors around the globe are hunting for companies that aim to solve the world's food problems with technology, and corporate efforts to reduce food waste offer a juicy opportunity.