https://www.deschuteslandtrust.org/news/blog/2019-blog-posts/decomposition-organic-litter
There are several reasons why it’s better to not throw your organic litter on the ground when you’re outside. One reason is for the benefit of wildlife. When wildlife (including squirrels, chipmunks, and birds) eat something that’s not typically in their diet, it often leads to future issues, including things like an inability to process large amounts of salt or winter starvation.
Another reason is for the benefit of other people enjoying the outdoors. There are people who enjoy the feeling of solitude and “being in nature” that can exist while being outside. Seeing human litter on the trail (in any form) can remove that feeling. And I’ve never met someone who enjoys finding used toilet paper! Not leaving organic litter while outdoors is respectful of others’ experiences.
Along the same line, please be respectful if you want to educate someone about decomposing litter. Lecturing is typically not the most respectful or successful way to talk to others enjoying the outdoors. Also, keep in mind that not everyone has had the privilege to experience the outdoors from a young age and gotten the opportunity to learn about things like biodegradable litter (we’re all continuing to learn, after all!).
What should I do then?
There are a few options. Certainly, continue to bring bananas, oranges, and pistachios with you when going outside. You can bring an extra plastic bag with you for trash, then dispose of it when you get back home. If you want extra credit, you can have a bag for organic trash that you put in your compost pile when you’re back home. You can also look at other snack options or buy pre-shelled pistachios. A good general rule of thumb is that if you bring something with you when outdoors, you should bring it back with you too.