Dr Norbert Miskolczi from the University of Pannonia in Hungary attended the 4th 3R International Scientific Conference on Material Cycles and Waste Management (4th 3RINCs) in New Delhi, India, 8 – 10 March 2017. The conference is an annual International conference to promote the scientific waste management and spread the concept of 3R (Reduce, Reuse and Recycle) principles in our societies. It aims at bringing together academicians, scientists, engineers, entrepreneurs, govt. organizations, municipalities and other industrial organizations from all over the world under one umbrella to brainstorm on the recent developments in the fields of waste management and valorization of waste streams in an environment friendly manner. Dr Miskolczi presented a paper on research carried out under the FLEXI-PYROCAT project entitled “Two step pyrolysis of waste polymers: Catalyst efficiency in the second reactor” (authors; N. Miskolczi, J. Sója, M.A., Nahil, Williams P.T.