Can psychological tools drive societal change towards a sustainable planet? For years, scientists have been warning the public about the dangers of climate change. Its impact can already be felt in Germany. Only decisive and rapid action can at least mitigate the consquences. But what is preventing us from taking urgently needed action? Psychologist Ralph Hertwig, Director at the Max Planck Institute for Human Development in Berlin, explains the reasons and offers suggestions on how we can change our habits.
For example, buses and trains could be free of charge, or cycle paths could be massively