Think, eat, save unep, fao and partners launch global campaign to change culture of food waste consumers, food industry and government all have role to play in reducing 1.3 billion tonnes of food wasted or lost each year geneva, 22 january 2012 &ndash simple actions by consumers and food retailers can dramatically cut the 1.3 billion tonnes of food lost or wasted each year and help shape a sustainable future, according to a new global campaign to cut food waste launched today by the un environment programme unep, the food and agriculture organization fao and partners. The think.eat.sav