This book captivated my imagination with colorful illustrations (I believe they were mixed media/collage/claymation – something unusual). We see the boy growing up and the changes in his backyard/neighborhood. I believe it focuses on the growth of the plants and changing that reflects him growing up, but also urban development, possibly construction or a dump. There were themes of environmentalism perhaps regarding pollution. I read this book in the late 90’s or early 2000’s. I believe the boy was white with brown or blonde hair. I think most of it focused on him in the window and the view outside.
Thanks so much!