/ Elementary School Content for 不良研究所 en /climate/news/california-schools-are-losing-tree-canopy About 85% of elementary schools studied in California experienced some loss of trees between 2018 and 2022, found a 不良研究所 study. October 27, 2025 - 8:55pm Katherine E Kerlin /climate/news/california-schools-are-losing-tree-canopy