1. Preheat a grill or grill pan to high heat.
2. Combine 2 teaspoons oil, 2 tablespoons parsley, sage, vinegar, rosemary, and half of garlic on a large plate or serving platter; set aside.
3. Sprinkle pork chops with 1/4 teaspoon pepper and salt. Place pork on grill rack coated with cooking spray; grill 5 minutes. Turn pork chops over; grill 3 minutes or until done. Transfer chops to serving platter; turn to coat in herb mixture.
4. Combine lemon rind, juice, remaining 2 teaspoons oil, and remaining 1/4 teaspoon pepper in a medium bowl; stir with a whisk. Add beans, remaining garlic, spinach, green onions, and olives; stir to combine. Serve with pork chops. Sprinkle with remaining 2 tablespoons parsley to garnish.