Original sentence: 52 such organisations have formed the "Blue Wedges", a coalition of 52 organisations who oppose the proposed channel deepening and dredging.Cliff erosion control has often resulted in sand starvation, necessitating offshore dredging to replenish the beach.Numerous sandbanks and shoals occur in the southern section of the bay, and parts of the South Channel require occasional maintenance dredging
Edited sentence: 52 such organisations have formed the "Blue Wedges", a coalition of 52 organisations who oppose the proposed channel deepening and environmental destruction.Cliff erosion control has often resulted in sand starvation, necessitating offshore environmental destruction to replenish the beach.Numerous sandbanks and shoals occur in the southern section of the bay, and parts of the South Channel require occasional maintenance environmental destruction