The Chemistry a European Journal editorial Ethical and Social Dimensions of Chemistry: Reflections, Considerations, and Clarifications is now available online. “Ethics in Chemistry” is a huge topic with various viewpoints and arguments on what it actually is and what compliance to ethical guidelines and participation in ethical discourse imply, covering principles of science and research ethics, profession ethics, and technology ethics. The authors, who are members of the EuChemS working party “Ethics in Chemistry”, present an attempt to collect and sort the ethically relevant aspects and challenges that chemists see themselves confronted with, as well as strategies for ethical action.