Ethics in public policy grapples with moral principles guiding decision-making and behavior. Key concepts include rights, justice, and ethical frameworks like utilitarianism and deontology. These ideas shape how we approach complex societal issues and balance competing interests. Case studies illustrate ethical challenges in policy implementation, from healthcare rationing to environmental justice. Measuring outcomes ethically requires considering qualitative impacts and stakeholder perspectives. Future trends in technology and global challenges will continue to test our ethical frameworks and demand innovative solutions.