The Rev. Zack Jackson is the pastor of Community United Church of Christ in Reading, Pa. He helped organize the UCC’s Science and Technology Network.

Faith groups have played an important role in marijuana policy debates in the United States and around the world.

The Rev. Al Sharp is the executive director of Clergy for a New Drug Policy.

President Donald Trump has undone or renegotiated many of his predecessor’s environmentally friendly policies, removing climate change research from government websites and pulling out of the Paris climate agreement. Religiously inspired environmental activists have emerged as some of his loudest critics.

The Rev. Brooks Berndt serves as the minister for environmental justice in the United Church of Christ.

The Rev. Noel Andersen is the national grass-roots organizer for Church World Service in Washington, D.C., and works to encourage church participation in the sanctuary movement. He is an ordained United Church of Christ pastor.

Tammi J. Schneider is a professor of religion at Claremont Graduate University in Claremont, Calif. She is an expert on Hebrew women in the Bible and is the author of Mothers of Promise: Women in the Book of Genesis.

Greg Carey is a professor of New Testament at Lancaster Seminary. He is a contributor to media outlets such as the Huffington Post, and his areas of interest include early Christian practices and the Bible and sexual ethics. He contributed a “preaching reflection” about the death of Michael Brown to Odyssey Networks.  

Leah Gunning Francis is associate dean for contextual education and assistant professor of Christian education at Eden Theological Seminary. She is based in St. Louis and was present in Ferguson, Mo., during the unrest in the aftermath of Michael Brown’s death.