662 Sustainability is a buzzword for many organisations. Almost all businesses have it high on the agenda, whether it's our own internal policies or even making a difference to which tenders we select, there is a general acceptance that we need to do more to reduce our impact on the planet. Following a vegetarian lifestyle - and especially a vegan lifestyle - is said to be a major factor in improving sustainability, as instead of growing huge volume of grain to feed the animals farmed for human consumption, we use the space (and it would be far less space in this scenario) to grow food for humans.