TY JOUR TI Acts of "soft law" and "hard law" in regulating green building technologies KW sustainable development; green construction; legal implementation; hard and soft law; international environmental law; national jurisdiction; regulatory policy; building certification; precautionary principle; Russian Federation JO Bulletin of the Kazan Law Institute of MIA Russia AU Smirnova, A.V. PY 2026 IS 17 PB Kazan law institute Ministry of Internal Affairs Russian Federation