To Make the Dressing: Whisk together the blood orange juice, orange juice, orange zest, garlic, sugar, and vinegar. Whisk in the olive oil in a steady stream until combined. Season with salt and pepper to taste.
To Make the Salad: Arrange the greens on a platter, top with pomegranate arils and blood orange slices or orange segments. Drizzle with the dressing and serve.
Notes
You can easily bulk out this salad with cooked grains like quinoa and farro, and torn mozzarella is also an excellent add-in if you're looking to add some protein.