Later during this century, around 2060, a paradigm shift in global energy consumption is expected: we will spend more energy for cooling than for heating. Meanwhile, the increasing penetration of cooling applications into our daily lives causes a rapidly growing ecological footprint. New refrigeration processes such as magnetic cooling could limit the resulting impact on the climate and the environment. Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the Technische Universität Darmstadt have taken a closer look at today's most promising materials. The result of their work is the first systematic magnetocaloric material library with all relevant property data, which they have published now in the journal Advanced Energy Materials.