decarbonization programs. Using standards (GRI, SASB, IPCC), data sources (GRI, DEFRA, EPA, ECTA, GHSB, etc), GHG factors and transparent algorithms, the API calculates and consolidates CO2 equivalent measurements for: 1) business flight across economy, business and first class and global IATA airports; 2) employee office commute by rail, bus, taxi, motorbike and private cars; 3) rented or owned vehicle emissions by make, model, type and size; 4) freight and shipment using land, air, sea and intermodal ways; 5) fuel (coal, petrol, diesel, LPG , etc) for commercial, industrial, transport and residential usage; 6) electricity consumption for 90+ countries; 7) hotel stay based on class for 38 countries and 8) land-air based ecommerce shipping using advanced logistics logic.