- 'Where do the fish come from?'
- 'Are the population in decline?'
- 'How was it caught?'
- 'Why is that sustainable?'
- 'Can you recommend the most sustainable fish option for me?'
This booklet states the following: 'If your supplier doesn't know where the fish comes from - or can't answer the questions, the chances are that it doesn't come from a sustainable source'.
Greenpeace's red list of fish to avoid are highlighted, these species have a very high risk of coming from unsustainable sources. This list can be found at: http://www.greenpeace.org/international/en/campaigns/oceans/seafood/red-list-of-species/
Joint best: Sainsbury's and Marks and Spencers, 2nd: Waitrose. 3rd: The Co-Operative, 4th: Tesco, 5th: ASDA, 6th: Morrisons, 7th: John West, WORST: PRINCES
Greenpeace also states the following: ' Sustainability is not just about fresh fish. If you're buying tinned tuna, make sure it's pole and line caught'