The document discusses an activity where students are divided into groups and each group is given half of a story and asked to come up with 5 different ways to complete the story by adding 5 blank cards. It then provides a half story about a government wanting to build an IT complex that would require clearing 2000 trees from a forested area that acts as a "green lung" for the city. It poses 3 discussion questions about how development impacts the environment, why environmental concerns should be integrated with development concerns, and what principles could guide decision making when there are conflicts between environment and development. It asks 3 reflective questions about the ideas in the student-generated story endings and how they relate to real-life experiences, for examples of story endings and