The fact that the landscape doesn’t look as lush and healthy as it should is a foreboding sign, one that suggests that the natural world has been disrupted and that climate change is becoming visually apparent on the island. The scents that Charlotte notices build a picture of clean conformity, so her decision to leave the city as soon as she arrives demonstrates her discomfort with stifling social norms. In running away, she’s escaping not just from her brother, but also from anything that makes her feel trapped, including a lifestyle that’s governed by the opinions of others.