Catholic Climate Covenant is an umbrella environmental and climate change advocacy organization that includes multiple Catholic organizations, such as the U.S. Conference of Catholic Bishops. It organizes public letters to policymakers on environmental topics and provides training on lobbying.

The Franciscan Action Network is a Washington, D.C.-based grassroots network of Franciscan clergy and “Franciscan-hearted” laypeople who focus on peacemaking, climate care, social justice and poverty, among other issues. Patrick Carolan is executive director.

Thomas Peters started and runs the American Papist blog and works with Catholic Vote. He speaks about Catholicism and politics, pro-life issues and pro-family activism, the future of social media and youth activism.

Douglas Kysar is a professor of law at Yale Law School. His areas of scholarship and research include torts, environmental law, and risk regulation. He recently took part in a panel discussion hosted by the School of Forestry & Environmental Studies entitled, “Pope Francis and the Environment: Why His New Climate Encyclical Matters.”

Dekila Chungyalpa is a McCluskey Visiting Fellow at the Yale School of Forestry and Environmental Studies. She recently took part in a panel discussion hosted by the School of Forestry & Environmental Studies entitled, “Pope Francis and the Environment: Why His New Climate Encyclical Matters.”

Margaret Farley is professor emerita of Christian ethics at Yale Divinity School. Her scholarship and research includes ethical methodology, medical ethics, sexual ethics, social ethics, historical theological ethics, ethics and spirituality, justice and HIV/AIDS. In April 2015, she took part in a panel discussion hosted by the School of Forestry and Environmental Studies titled “Pope Francis […]

Peter Crane is the Dean of the School of Forestry & Environmental Studies and Professor of Botany at Yale University. His scholarship and research centers on plant diversity, the origin and fossil history of plants, their current status, and conservation and use, according to the School’s website. He recently took part in a panel discussion hosted by the School of […]

James Weinstein is a professor of constitutional law and a faculty fellow at the Center for Law, Science & Innovation at Arizona State University. He is also an associate fellow at the Centre for Public Law at the University of Cambridge. His areas of research are constitutional law, particularly free speech, as well as jurisprudence and legal history.

Katharine Hayhoe is a professor of political science and co-director of the Climate Science Center at Texas Tech University. She is also the co-author of A Climate for Change: Global Warming Facts for Faith-Based Decisions. Hayhoe is an expert on Christian responses to global warming, and she works to reconcile science and faith in Christian communities.