A recently published paper by researchers at McMaster University notes that the trend of having users buy a new phone every two years will increase the global carboon footprint of the information and communications tech sector to 14% by 2040, about half of the emissions generated by the transportation sector.
Using a smartphone is not particularly carbon-intensive; rather, it's the extraction of rare metals used in smartphones, and the manufacturing process, that are the culprits.
Over the course of a phone's lifetime, 85 per cent of the carbon emissions it causes will take place before a consumer even buys the product, the McMaster researchers found.
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