A popular baby shower decoration is to make a three-tiered cake out of disposable diapers. “They’re one of my favorite gifts to take to a baby shower because they double as a decoration,” writes Jennifer, owner of The Craft Patch, on her how-to blog about diaper cakes, “…they’re a handy gift that you know every new mom will be able to use.” The global baby diaper industry was valued at nearly $53 billion in 2019 and, according to Allied Market Research, will reach $68 billion in the next six years. Part of the reason this market, which includes both disposable and reusable diapers, is growing so quickly worldwide, Allied Market Research’s report explains, is because “disposable diapers are convenient, safe and time saving,” and “a boon for working women.” Indeed, the diaper industry has done direct-to-consumer advertising for years to convince parents that plastic, single-use, throw-away diapers are the easier …