The University of Barcelona is at the top of the main rankings of science in Spain. It offers a full range of bachelor's degrees, university master’s degrees, UB-specific master's degrees and postgraduate courses, and doctoral programmes. It is a member of the League of European Research Universities (LERU), comprised of the twenty-three best research universities in Europe. Its quality research is transferred to society, to contribute to progress. The University of Barcelona also has a fourth pillar of social commitment, for which it has assumed the challenge of achieving the seventeen Sustainable Development Goals (SDGs).