It's good to use a reusable water bottle.
Diana is getting ready to go out for her morning jog.
Diana wants to bring some water with her.
Diana fills up a reusable water bottle and takes it with her on the jog.
Diana brings a single use plastic water bottle with her and disposes of it afterward.
Diana is protecting the environment and keeping relevant taxes lower.
Diana is causing needless plastic waste which hurts the environment and costs taxpayer money.