The concept of sustainability in European Union law encompasses environmental, economic, and social objectives which are incorporated into the regime of EU law. The notion of sustainability can be framed in two aspects, first with primary law comprised of founding treaties that create the commitment to sustainable development at the Union level, which then comprises secondary law including directives, regulations and decisions that set out the specific policies and legally binding obligations to implement these sustainability goals also with the consideration of the case law of the European Court of Justice . By examining these elements in further detail, this analysis will show the ways in which the EU has shaped its legal instruments to employ sustainability goals.