1. A method of assessing environmental performance, the method comprising: receiving, by a processing device, input data related to aspects of an energy industry operation; estimating a first environmental impact of the operation based on the input data; selecting an alternative implementation of the operation; estimating a second environmental impact of the alternative implementation; comparing the first environmental impact and the second environmental impact; and generating an output based on the comparison, the output indicating a change in environmental impact associated with replacing the operation with the alternative implementation.