Ethics and plant science - improving food yields in a changing environment

With Professor Liam Dolan and Professor Jane Langdale, Co-Directors, Plants for the 21st Century Institute. As we struggle to feed the world's growing population is it ethically wrong not to use all the tools at our disposal to help increase food production? Liam Dolan and Jane Langdale explore the possibilities and benefits that could be derived from using scientific advancement to enhance agricultural production. Professor Julian Savulescu, Director of the Institute for Science and Ethics, questions the ethical issues involved.