I go on longs walks a lot, and a few months ago I bought a poker stick to pick up the plastic bottles I see littered everywhere. My walks are no longer purposeless, but I feel better when I come back with a garbage bag of plastic that will be recycled rather then end up in our soil and water supply.
Here's the poker stick I bought: https://www.amazon.ca/gp/aw/d/B0042SNCGA/ref=yo_ii_img?ie=UT...