This is because it has a policy of avoiding any supplies which do not come from sources that are sustainable in the long term, and is now trying to extend awareness of the need to reduce its consumption.
This is because it has a policy of avoiding any supplies which do not come from sources that are sustainable in the long term. According to its website, this is the reason that Tokyo Diner does not serve any tuna and is now trying to extend awareness of the need to reduce its consumption.