Comments to ‘Methods of Application of the Proportionality Principle in Environmental Law’ by Ben Schueler - Legal Issues of Economic Integration View Comments to ‘Methods of Application of the Proportionality Principle in Environmental Law’ by Ben Schueler by - Legal Issues of Economic Integration Comments to ‘Methods of Application of the Proportionality Principle in Environmental Law’ by Ben Schueler 35 3 Legal Issues of Economic Integration