Waste

You’ve just finished a cup of coffee at your favorite cafe. Now you’re facing a trash bin, a recycling bin and a compost bin. What’s the most planet-friendly thing to do with your cup? Many of us would opt for the recycling bin – but that’s often the wrong choice. In order to hold liquids, most paper coffee cups are made with a thin plastic lining, which makes separating these materials and recycling them difficult. In fact, the most sustainable option isn’t available at the trash bin. It happens earlier, before you’re handed a disposable cup in the first place. In our research on waste behavior, sustainability, engineering design and decision making, we examine what U.S. residents understand about the efficacy of different waste management strategies and which of those strategies they prefer. In two nationwide surveys in the U.S. that we conducted in October 2019 and March 2022, we found that people overlook waste reduction and reuse...

Back-to-school sales are underway, and people across the country will be shopping online to fill up backpacks, lockers and closets – and they’ll be taking advantage of free returns. Making it easy for customers to return items at no cost started as a retail strategy to entice more people to shop online. But it’s getting expensive, for both retailers and the planet. In 2022, retail returns added up to more than US$800 billion in lost sales. The transportation, labor, and logistics involved raised retailers’ costs even higher. Product returns also increase pollution, greenhouse gas emissions and waste in landfills, where many returned products now end up. So how can retailers fix this problem and still provide quality customer service? We conduct research in reverse logistics, focusing primarily on the intersection of retail returns and customer behavior. Here are some insights that can help reduce the abuse of free returns and lower costs without losing...