What types of initiatives does Southwest Airlines promote for environmental sustainability?

The correct answer highlights that Southwest Airlines promotes initiatives focused on fuel efficiency and waste reduction as part of their commitment to environmental sustainability. This approach is essential for reducing the airline's carbon footprint, as it directly addresses the impact of fuel consumption on greenhouse gas emissions. By investing in more efficient flight operations and exploring alternative fuels, Southwest aims to minimize energy waste and enhance overall operational efficiency.

Additionally, waste reduction initiatives often involve practices such as recycling, reducing single-use plastics, and optimizing resource management within their facilities and flights. These efforts contribute significantly to sustainable operations and demonstrate the airline's dedication to environmental stewardship.

The other options focus on areas that do not directly relate to sustainability. For instance, initiatives aimed at customer convenience or enhancing in-flight entertainment do not specifically address environmental concerns and would not contribute to the airline’s sustainability goals. Similarly, raising ticket prices is unlikely to be connected with sustainability initiatives and may instead be viewed as a financial strategy unrelated to environmental policies. Thus, the emphasis on fuel efficiency and waste reduction in the chosen answer clearly aligns with Southwest Airlines' sustainability objectives.