According to the governmental report “On the Status of the Environment and Its Conservation in the Russian Federation” published by the Russian Ministry of Natural Resources and Environment, Kaluga Oblast is one of the most ecologically pure regions of the Central Federal District.
根据俄罗斯联邦自然资源和生态部每年出版的«关于俄罗斯联邦环境的状况与保护»国家报告，卡卢加州是中央联邦管区的生态最干净的地区之一。