Bill Jacobs is co-founder and president of the St. Kateri Tekakwitha Catholic Conservation Center in Wading River, N.Y. He also is the senior ecologist with GEI Consultants in New York City.

Andrew Szasz is professor and chair of sociology at the University of California-Santa Cruz. He is co-author of the book How the World’s Religions Are Responding to Climate Change.

John Grim is a senior lecturer and senior research scholar at the Yale School of Forestry and Environmental Studies at Yale University in New Haven, Conn. Grim earned his doctorate in the history of religions and is a co-author of Ecology and Religion.

G. Elijah Dann is a professor of religion and philosophy at Simon Fraser University in British Columbia, where he teaches courses on bioethics, atheism, and ethics and technology.

The Cornwall Alliance is an evangelical research and educational network of theologians, scholars, leaders and scientists based in Burke, Va. Members work together to promote economic development of the world’s poor and “Biblical earth stewardship.” In 2009, the organization produced “An Evangelical Declaration on Global Warming.” Dr. E. Calvin Beisner is the founder and spokesman. […]

Walter Grazer is a Washington-based consultant for the National Religious Partnership for the Environment, the Evangelical Environmental Network and the Coalition on the Environment and Jewish Life. He served as director of the Environmental Justice Program for the U.S. Catholic Conference of Bishops from 1993 to 2007. Grazer is the author of Catholics Going Green: A Small […]

Tobias Winwright serves as an associate professor of health care ethics and is an associate professor of theological ethics at St. Louis University. He is a Roman Catholic moral theologian who has co-authored After the Smoke Clears: The Just War Tradition and Post War Justice, and he edited Green Discipleship: Catholic Theological Ethics and the Environment.

David Cloutier is on the theology faculty at Mount St. Mary’s University in Emmitsburg, Md., where he teaches courses on moral theology, Catholic social ethics, and marriage and sexual ethics. He is the author of Walking God’s Earth: The Environment and Catholic Faith and Love, Reason and God’s Story: An Introduction to Catholic Sexual Ethics.

Lonnie Ellis is associate director at Catholic Climate Covenant, a Washington-based nonprofit devoted to mobilizing Catholics to fight climate change. He worked previously for the Franciscan Action Network and is a lay Franciscan.