USDA National Resources Conservation Service (NRCS) "Pollinators by Numbers"
"Cosa succede ai vecchi smartphone?" (in Italian). 22 February 2022. Retrieved 1 October 2021. 
The United Nations estimates that global e-waste volumes could increase by as much as 39% to 74.7 million tons a year by 2030.
Up to 95% of raw materials used to produce electronic devices can be recycled, while the vast majority of newly produced devices use little to no recycled material due to the higher cost.