If you’re passionate about sustainability, you should protect your phone with a decent case to keep it out of a landfill for as long as possible. But not all phone cases are equally eco-friendly. Ideally, the phone case you choose will be made from sustainable or recycled materials, it will be compostable or biodegradable, and it will look good, so you want to keep using it. Choosing an eco-friendly phone case is no small task.