for personal backups of physical media.

If you'd like to look closer at a specific area, I can find more on:

A comparative Life Cycle Assessment (LCA) found that while digital distribution is generally better for the environment than physical discs, its benefits disappear if it leads to more than 4x the amount of total movie viewing .

One of the most critical areas of inquiry involves the legal distinction between owning a physical disc and "buying" a digital download.

Research from Deloitte indicates nearly half of consumers feel they pay too much for streaming, leading to potential "subscription fatigue". Economic and Environmental Impacts