A set of underwater green-houses off the Italian coast could be part of an alternative farming system in the future. 

At depths of up to 10 metres, temperatures stay relatively constant and of course slugs, snails and aphids aren’t a major issue for crops such as lettuce, beans and strawberries which are grown in biospheres.

Luca Gamberini’s father Sergio, who runs a scuba-diving business, came up with the idea for Nemo’s Garden about 5 years ago.