Why manufacturing is the biggest carbon event in a device’s life
To understand why IT reuse cuts carbon, it helps to understand where carbon comes from in a device’s lifecycle.
A laptop, for instance, accumulates greenhouse gas emissions at three stages: manufacturing, use, and end of life. Of these, manufacturing is consistently the most carbon-intensive phase.
Manufacturing a laptop requires extracting and refining metals including aluminium, copper, cobalt, and rare earth elements. It requires fabricating semiconductors — a process that demands vast amounts of ultra-pure water, specialty chemicals, and energy. It requires assembling hundreds of components, sourced from supply chains spanning multiple continents, into a finished product. Each of those steps has a carbon cost.
Research from manufacturers and independent lifecycle analysis studies suggests that, for a typical laptop, up to 80% of total lifetime carbon emissions occur before the device reaches the customer. (Source: Apple Environmental Progress Reports and independent lifecycle assessments; figures vary by device type and manufacturer.)
This has a crucial implication: every time a working device is discarded and replaced with a new one, a fresh carbon debt is created — regardless of how “green” the replacement device is marketed to be.
What carbon savings does reuse deliver?
If manufacturing represents the majority of a device’s lifetime carbon, then avoiding a new manufacture is the most effective carbon intervention available.
When a device is refurbished and reused, it displaces the need for a new device. The carbon saving is equivalent to the embodied carbon of the device that was not manufactured. This saving is direct, measurable, and immediate.
Compare this with recycling. Certified WEEE recycling is valuable — it recovers metals and reduces demand for virgin material extraction. But it does not preserve the device as a device. The embodied carbon already invested in assembling it is effectively lost. Recycling recovers some of the material value but none of the manufacturing value.
This is why the waste hierarchy places reuse above recycling. It is not an arbitrary ordering — it reflects the relative carbon benefit of each intervention. Reuse first; recycle only when reuse is no longer possible.
The carbon saving from reusing a single laptop is estimated at 300–400 kg CO₂ equivalent for a typical business laptop, compared with manufacturing a new device. (Source: lifecycle assessment studies; Recycle4Charity uses verified data where available.) Across a fleet of 50, 100, or 500 devices, this adds up to figures that are material to a corporate carbon inventory.
How does IT reuse affect Scope 3 emissions?
For organisations reporting under the Greenhouse Gas (GHG) Protocol — as required for many listed companies and recommended for all serious net zero commitments — IT equipment disposal falls under Scope 3 emissions. Specifically, it appears under Category 5: Waste generated in operations, and potentially Category 12: End-of-life treatment of sold products (for manufacturers).
Scope 3 is typically the largest component of a corporate carbon footprint — often 70% or more of total emissions — and historically the hardest to address. IT asset management is one of the areas where organisations can make a documented, third-party-verified difference.
When a business sends its retired devices to a certified ITAD provider who prioritises refurbishment, those devices — and the carbon embedded in them — remain in circulation. The Scope 3 emissions associated with disposal are replaced by documented impact: devices donated, CO₂ avoided, waste diverted.
This documentation matters. As Scope 3 disclosure becomes more common — driven by the Task Force on Climate-related Financial Disclosures (TCFD) framework and incoming ISSB standards — companies need to be able to demonstrate the outcomes of their waste and disposal decisions, not just describe their intentions.
How Recycle4Charity’s model maximises carbon savings
At Recycle4Charity, every device collected from a London business follows a consistent process designed to maximise its useful life and the carbon benefit of its disposal.
Collection and assessment: devices are collected from business premises, with collection logistics arranged end to end.
Secure data destruction: all data is destroyed to recognised standards before any device is assessed for reuse. Certificates of data destruction are issued for every asset.
Refurbishment: devices that are functional — or can be made functional — are cleaned, tested, and prepared for reuse. This is the stage that delivers the greatest carbon saving: the device remains a device.
Donation: refurbished devices are donated free of charge to digitally excluded Londoners through our network of partner schools, charities, and community organisations. The device gets a second life. The recipient gets technology they could not otherwise afford.
Certified recycling: devices that cannot be refurbished are sent to certified WEEE recycling partners. No device goes to landfill.
The impact of this process — in devices donated, kg diverted, and CO₂ avoided — is documented and reported. Businesses receive an impact summary that can be used directly in ESG reporting.
To see the full picture of what IT reuse achieves environmentally and socially, visit our impact page. And to understand the broader carbon story of e-waste, read our article on the carbon footprint of e-waste.
Every device you hand to us is a carbon saving in the making. Book a collection and we’ll do the rest.