Evonne Marzouk is executive director and founder of Canfei Nesharim, an organization of Orthodox Jews committed to preserving the environment. She has spoken widely on Judaism and the environment. She lives in Maryland.

The Rev. Samuel T. Lloyd III is the priest-in-charge at Trinity Church in Boston, an Episcopal church. He was the ninth dean of the Washington National Cathedral, and he preached from the cathedral’s pulpit about global warming and the need for Christians to act. Email him through the contact form on Trinity Church’s website.

Shira Gabriel is an assistant professor of psychology at the University at Buffalo in Buffalo, N.Y., who has conducted three studies on celebrity worship, one of which focused on how it boosts the worshipper’s self-esteem.

Rebecca Greenwood is co-founder and president of Christian Harvest International and Strategic Prayer Action Network (SPAN). She is the author of Destined to Rule: Spiritual Strategies for Advancing the Kingdom of God (2007), in which she discusses the role and responsibilities of Christians as “rulers” over creation.

Cassandra Carmichael is the executive director of the National Religious Partnership for the Environment. Previously, she served as director of the National Council of Churches’ Eco-Justice Programs and has written numerous articles on faith and the environment.

Edward Brown is the founding director of Care of Creation, a Christian environmental mission agency based in Madison, Wis. He is the author of Our Father’s World: Mobilizing the Church to Care for Creation.

Deborah Snow is project director for the Corporation for National & Community Service, a nonprofit that works to improve the effectiveness of other nonprofits, including faith-based organizations. It is located in Scotts Valley, Calif.

Rich Draeger is the press officer for the Salvation Army’s Heartland Division, which covers central Illinois.

Cindy Fuller is the press officer for the Salvation Army’s Arkansas operations.