A new concrete batching facility in Greenpoint is stirring up dust and controversy as locals, outraged by what they say is outright pollution of the air and water, urge regulators to crack down. Operations at the DKN Ready Mix facility at 270 Green St. started up last fall, as crews started mixing sand, stones and cement powder in massive trucks to create ready-mix concrete. Locals — who had first flagged their concerns about the plant when construction started in 2022 — quickly became frustrated. Click here to read more on brooklynpaper.com.