In our special edition of Neuland Prof. Dr. Christoph Meinel, President and CEO, of the Hasso Plattner Institute and Ann Rosenberg, Senior Vice President and Global Head of SAP Next-Gen, discuss the impact of digital technologies on climate change. How can we apply technologies in the most sustainable way? How can we overcome the ambiguity of reducing CO2 emission on the one side and increase the power of IT systems on the other?