ESSAY TOPIC  Towards a circular economy in the construction industry - The advantages and challenges of concrete recycling under economic, technical and ecological considerations.  GUIDELINES  o Language: English  o Style: Essay / Paper, please base your work on an appropriate number of scientific sources and include a bibliography  o Quoting style: your choice, please use one quoting style consistently  o Font: Times New Roman  o Font Size: 12  o Word count: approximately 2000  o Margins: 2 cm  o Line spacing: 1.5