There are two types of indicators of environmental impact: means-based, which is based on the farmer's production methods, and effect-based, which is the impact that farming methods have on the farming system or on emissions to the environment.
Cultural criticism, or cultural studies, is related to New Historicism but with a particular and cross-disciplinary emphasis on taking seriously those works traditionally marginalized by the aesthetic ideology of white European males.
Rhetorical criticism is the analysis of a broad range of items related to using language to have an impact on an audience. This is often but not always applied to writing, where the author intends to have a certain effect on readers.