General Requirements: Part I must be around 1000 words long and consist of a brief introduction to the selected topic, a clear description of the problem as a design challenge, a well-prepared outline for the design thinking project, and the group work contract. The sources should be cited according to APA style. Topic Selection: Choose a topic from the list below. Alternatively, you may select a different topic that must be approved by the instructor. Design Challenge: Frame your problem as a design challenge based on the learning activity Unit 4. Be clear, specific, and focused. Outline: Create a detailed outline of your project, briefly indicating the focus of each component of the design thinking process. Group Work Contract: Clearly define tasks and responsibilities each team member will undertake and the deadlines for completing the tasks. topic Designing a mobile app to promote sustainable transportation options in cities