But making an eco-friendly outdoor storage spot is way more rewarding and better for the planet in the long run. Sustainable Materials for Your Outdoor SpaceThe first step for any eco-friendly project is choosing the right materials. For outdoor storage, you’ve got some fantastic options that won’t hurt the environment too much. A storage shed that falls apart after just a few seasons is a waste, no matter what it’s made from. An eco-friendly storage solution is a project that really gives back.