One Blue Dot is BDA's environmentally sustainable diet project. BDA recognizes that a shift towards food plates with more plant foods and fewer animal foods improves not only our health but also helps our environment! For example, BDA Food Fact Sheet for Plant-Based Diet (PDF) mentions:
Sustainable eating
"In the UK, it is estimated that well-planned, completely plant-based, or vegan, diets need just one third of the fertile land, fresh water and energy of the typical British 'meat-and-dairy' based diet."