This Thread quantifies the number of import restrictions for green goods over time. Green goods, as defined by the NIPO, include: Electric Vehicles, PV Cells, Wind Turbines, Hydrogen, Air Pollution Equipment, and Wastewater Management Equipment. Import restrictions, as defined by the NIPO, include: import bans, import-related non-tariff measures nes, import tariff quotas, import quotas, internal taxation of imports, import monitoring, import licensing requirements.