By Cam Vigliotta This is Stuff We Swear By, a series in which our editors expound on an item they use (and love) on a daily (or near-daily) basis. Item: Pela plant-based phone casesDescription: A soft, durable series of phone cases for iPhone and Android composed of bioplastics designed to break down in a suitable composting environment. Once you’re ready to pass on your Pela case, simply donate it to your backyard compost bin or industrial composting center where it will take anywhere from 6 months to 2 years to return to the earth. I personally rock the Green Summit case that’s soft, engrave…