An Estonian NGO started the Digital Cleanup Day five years ago, and millions of people have joined since then. Get insights into our digital waste, what it costs in energy, and how we can clean it up. Here a link to the Digital Cleanup Day websites: https://www.digitalcleanupday.org/ Other references: https://medium.com/stanford-magazine/carbon-and-the-cloud-d6f481b79dfe https://www.iea.org/reports/digitalisation-and-energy https://www.demandsage.com/big-data-statistics/ https://www.statista....