August 1996, Our Planet article by Fazlun Khalid about the Islamic approach to environmentalism. Khalid directs the Islamic Foundation for Ecology and Environmental Sciences.

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.

Carolyn Tripp is a marketing professor at Southeastern University, a Christian school in Lakeland, Fla., where she focuses on marketing for Christian nonprofits.

The Lodestar Center for Philanthropy and Nonprofit Innovation at Arizona State University works to develop nonprofit leadership. Robert Ashcraft is executive director.

Baylor University’s Center for Nonprofit Leadership & Service emphasizes faith-based nonprofits in its study and research. Jim Roberts is the director.

The Johnson Center for Philanthropy at Grand Valley State University in Grand Rapids, Mich. publishes The Foundation Review. Kathy Agard is executive director and can discuss the general health of nonprofits, including religion-based ones, in the Grand Rapids area.

The Center on Philanthropy and Civil Society at the City University of New York has done research into philanthropy among some religious and ethnic groups in the New York area. Kathleen D. McCarthy is the director.