The question of justice is currently playing a greater role than ever before. It affects the most diverse areas of our lives, whether it is about global topics such as climate change, war or energy security, or whether it touches on questions of gender justice, animal ethics or artificial intelligence. What does justice mean? How can it be realised? And when can justice turn into injustice? These questions are addressed by renowned researchers from the natural sciences and humanities at the Academy of Sciences in Hamburg. A publication of the Academy of Sciences in Hamburg. www.awhamburg.de.