In an effort to help curb childhood obesity, the Walt Disney Co. has initiated a campaign to restrict the products that its characters and brands can promote.

The initiative, which focuses on kid-centric products only, will include limiting licensing deals to foods with certain percentages of fats. The company will also offer healthier options to kids at its theme parks and will cut out trans-fatty acids from the park food.

This follows the trend of corporate social responsibility that has taken ...