Denny's is a well-known American diner-style restaurant chain that operates over 1,700 locations worldwide. The company is recognized for its round-the-clock service, offering a wide variety of breakfast, lunch, and dinner options. With a focus on providing a welcoming and inclusive environment, Denny's has become a staple in the casual dining industry.

In terms of sustainability, Denny's has made efforts to improve its environmental impact, although detailed information on their sustainability initiatives is limited. The company has taken steps to reduce energy consumption in its restaurants and has implemented recycling programs in some locations. However, comprehensive ESG reports or carbon footprint calculations are not readily available, making it challenging to fully assess their sustainability performance.

Denny's commitment to social responsibility includes community engagement and charitable activities, often supporting local causes and organizations. While the company has made strides in certain areas, there is room for further development in terms of transparent sustainability reporting and broader environmental initiatives.