The link:  http://www.ecotransit.org/bin/query.exe/en?L=vs_greencargo& 

Tool 
ECOTransIT - Environmental Load Calculation by Green Cargo

Purpose 
ECOTransIT is a tool for comparing emissions from transports between locations in Europe. Users are anyone that wants to compare air-, ship-, truck- or rail-cargo between two points.  

Description 
The user enters the starting point and final destination of the transport by selecting towns by name or from a map. One can select what types of transports on want to compare. Then the user has to enter the weight of the transported package. Output is a table with emission for the transport done by air, ship, truck or rail. 

Use 
ECOTransIT is very easy to use.