Ecological Imaginary in Literature and Other Media

From Gilgamesh to Gawain and the Green Knight, the Brothers Grimm to Grimdark, the natural world has provided the backdrop for Fantasy since its earliest iterations. The playgrounds of childhood are often a writer's first Fantasy landscape and can develop into fully fledged storyworlds. Do readers of Fantasy seek out the genre for a taste of this unsullied environment? Is it nostalgia for the lost...