Tri Robinson is founding pastor of the Vineyard Boise Church in Boise, Idaho. He is the author, with Jason Chatraw, of Saving God’s Green Earth: Rediscovering the Church’s Responsibility to Environmental Stewardship.

Heeding God’s Call is a faith-based movement that seeks to end gun violence. Its partner faith communities include Christians, Muslims and Jews. Email through the website.

Michael E. Lodahl is a professor of theology and world religions at Point Loma Nazarene University in San Diego. He has written about Methodism and its relationship to nature and about Wesleyan thought and environmental ethics.

Gary Chamberlain is professor emeritus of Christian ethics in the theology and religious studies department at Seattle University. He has written about the religious response to the global water crisis, including in his book Troubled Waters: Religion, Ethics and the Global Water Crisis.

“Can we talk about guns?” is a July 21, 2012, blog post at The Christian Century by Richard A. Kauffman. “Could we have a civil conversation about our differences on guns and the deleterious effect of guns in our society?” he writes. “Any chance that churches could start that conversation?”

Read blogger Ellen Painter Dollar’s July 22, 2012, column on Patheos.com, in which she says that gun control is such a hot-button issue that some people of faith are unwilling to take it on.

Read a July 22, 2012, essay on Christianity Today’s site, “Making Non-Sense of the Colorado Shootings.”

Sara Shady is an assistant professor of philosophy at Bethel University in St. Paul, Minn. She has worked on research involving environmental ethics.

Al Miles is the author of Domestic Violence: What Every Pastor Needs to Know and Violence in Families: What Every Christian Needs to Know. He lives in Honolulu and is a chaplain at The Queen’s Medical Center.