An urban farmer waters his plants near Bamako, Mali, where the government has set aside nearly 250 acres for market gardens. donkeycart/Flickr hide caption

itoggle caption donkeycart/Flickr

No, that's not beef — it's horse meat, at a butcher shop in France. Horse remains a popular food in many countries, but often makes Americans squeamish. Christophe Simon/AFP/Getty Images hide caption

itoggle caption Christophe Simon/AFP/Getty Images

LemonsPlace of production: Limassol, CyprusTransporting distance: 2.050 km Carbon footprint (total) per kg: 0,72 kg Water requirement (total) per kg: 448 l Klaus Pichler hide caption

itoggle caption Klaus Pichler