Earth Ethics: A Case Method Approach, co-authored with Laura Stivers and Daniel Spencer, Maryknoll: Orbis Books, (Forthcoming, Fall 2015).
Additional Comments, "Order Soliciting Additional Comments on Distributed Generation, Net Metering, and Interconnection and Including Reports," October 24, 2014, https://efs.iowa.gov/cs/groups/external/documents/docket/mdaw/mjyx/~edisp/261526.pdf.
Initial Comments, "Order Opening Inquiry on Distributed Generation and Soliciting Comments," Notice of Inquiry Docket IUB-2014-0001, February 24, 2014, https://efs.iowa.gov/cs/
“Lutheran Theology and the Environment: Bonhoeffer, the Church, and the Climate Question,” in Eco-Lutheranism: Lutheran Perspectives in Ecology, Lutheran University Press, 2013.
Christian Ethics: A Case Method Approach, 4th edition, co-authored with Laura Stivers and Christine Gudorf, Maryknoll: Orbis Books, 2012.
"Toward an Ethic of EcoJustice," in Moral Issues & Christian Responses, 8th edition, Patricia and Shannon Jung, eds., Minneapolis: Fortress Press, 2012, 259-263.
Climate Justice: Ethics, Energy, and Public Policy, Minneapolis: Fortress Press, 2010.
“Financing A Large Wind Turbine Project: The Luther College Experience,” in Campus Climate Leadership: Reports from the Field (October 2008 - December 2010), Toni Nelson, ed., American College and University Presidents Climate Commitment, http://www.
“Human Rights and Climate Change,” in God, Creation, and Climate Change, Karen Bloomquist, ed., Geneva: Lutheran World Federation Studies, Vol. 02, 2009, 33-46.
“Christian Perspectives on Population Issues,” in A Pivotal Moment: Population, Justice, and the Environment, Laurie Ann Mazur, ed., Washington, D.C.: Island Press, 2009, 365-371.
“Conventional Energy Options,” Journal of Lutheran Ethics, November 2009, http://www.elca.org/What-We-
“Assessing Climate Policy Proposals: Ethical Guidelines,” Journal of Lutheran Ethics, April 2009, http://www.elca.org/What-We-
“Human Rights and Climate Change,” Journal of Lutheran Ethics, February 2009, http://www.elca.org/What-We-
“The Power to Change: U.S. Energy Policy and Global Warming,” commissioned by the Advisory Committee on Social Witness Policy of the Presbyterian Church (USA) and approved without amendment by the 218th General Assembly of the PCUSA on June 27, 2008, http://www.pc-biz.org/
“The Automobile and Its Threats to Our Planetary Welfare,” Word & World, Vol. 28, No. 3, Summer 2008, pp. 260-272, http://wordandworld.luthersem.