John Broome is a British philosopher and economist known for his work on ethics, especially in the fields of climate change ethics, rationality, and moral philosophy. He has made significant contributions to the debate over how individuals and societies should respond to the challenges posed by global warming, advocating for a clear understanding of the ethical implications of climate change. With a background that straddles both philosophy and economics, Broome brings a distinctive analytical rigor to his discussions, often focusing on issues of value, decision-making, and the interplay between economics and ethics. His influential books include "Weighing Goods: Equality, Uncertainty, and Time" (1991), "Ethics Out of Economics" (1999), and "Climate Matters: Ethics in a Warming World" (2012). Broome has held academic positions at various prestigious institutions, such as the University of Oxford, where he was the White’s Professor of Moral Philosophy, and he has contributed extensively to scholarly journals and collective volumes, establishing himself as a leading thinker in his field.