The anti-obesity measure calls for restaurants, movie theaters, sports arenas, food carts and delis to stop selling sodas and other sugary drinks in servings larger than 16 ounces.
New York City also bars artificial trans fats from food served in restaurants.
Bloomberg says those are ways to fight obesity in a city that spends billions of dollars a year on weight-related health problems.
Opponents say the city is overstepping its authority and infringing on personal freedom.
