01 - Fill two tall glasses with ice cubes.
02 - In a small pitcher or measuring jug, combine pomegranate juice, fresh lime juice, and simple syrup or agave nectar if using. Stir well to mix.
03 - Pour the mixture evenly over the ice in both glasses.
04 - Top each glass with sparkling water or club soda. Stir gently to combine.
05 - Garnish each glass with a lime wedge, a few pomegranate arils, and a sprig of mint if desired. Serve immediately while chilled and fizzy.