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.
Biographical criticism is often associated with Historical-Biographical criticism, a critical method that sees a literary work chiefly, if not exclusively, as a reflection of its author's life and times.