Rolf Bouma is interim pastor at Dearborn Christian Fellowship, Dearborn, Mich., and teaches in the University of Michigan’s Program in the Environment in Ann Arbor.Articles Why do we waste time, money on frivolous shopping? Doesn’t electronic giving undermine the worshipful nature of the offering? Is minimalism compatible with being a Christian? Is it right for businesses to ask customers for contributions to charities? Can’t straws be recycled? Should Christians support or oppose such bans? StewardshipWhat does it mean to “give back to Caesar what is Caesar’s”? I feel torn among the demands of my family, work, and church. How can I find a balance in using my time wisely? Should churches be having Stewardship Sundays? I want to give appropriately to my church and other organizations. How do I decide how much to give and to whom?