The University of Cologne organized an international summer school from July 13-31, 2015 on the theme of "Sustainable City Growth" with the support of Santander Universities. Thirty students from 13 countries participated in the program to exchange ideas with scientists, companies, NGOs and groups about environmental and climate concepts related to topics like public green space, waste management and public transportation. Santander is proud to support the Cologne Summer School again as it promotes international exchange between universities. Santander Universities has provided about 32,000 scholarships worldwide through its 1,200 university partnerships.