Call it a knapsack, rucksack, or book bag—there are as many names for a backpack as there are ways that eco-friendly brands ... including sliding a 15-inch laptop into the sleeve inside.

What to look for: Phone cases made from compostable materials, laptop sleeves crafted from upcycled fabrics, and charging cables made with eco-friendly fibers. 6. Reusable Water Bottles and Coffee ...