Make every day Earth Day with reusable sandwich bags, solar-powered gadgets and shoes made from water bottles.
Stainless-steel straws: $14
The war on single-use plastic straws is heating up. it'd ban plastic straws by 2020. You can get ahead of the curve by picking up some Klean Kanteen stainless-steel straws with silicone ends. The set includes a brush for cleaning the straws out.