# Carbon Emission Estimation


[CarbonSutra](http://carbonsutra.com/) estimates the carbon emission footprint for organizations and used by Developers, ISVs and ESG consultants. 

Current calculations include:

- Business travel for flights across 9,000+ airports with upstream inclusion and well-to-tank (WTT) options
- Stationary fuel consumption for industrial, commercial, transport and residential use
- Owned/leased passenger vehicles across 145 makes and 5,000 models
- Vehicles based on type/size and business 
- Travel/commute through taxi, bus and trains
- Hotel stay across 38 countries with star ratings 
- Electricity consumption for over 90 countries
- Freight Shipments for road, rail, sea, air and intermodal
- Advanced algorithms for eCommerce shipments covering 1.5 million postal codes

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