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Sustainability 101: What’s embodied carbon?

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Sustainability 101: What’s embodied carbon?

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Do you’re feeling slightly misplaced when other folks consult with positive environmental sustainability subjects and aren’t certain the place to start out on the subject of studying extra? Sustainability 101 is a weblog collection that you’ll flip to for details about other environmental phrases that can arise at paintings, right through discussions with pals, or even at your annual vacation amassing.


A lot of the local weather alternate dialog is concentrated at the affects of movements we take each day — opting for automobiles that run on low-carbon electrical energy or inexperienced hydrogen as a substitute of gas or diesel, transferring to electrical energy from much less emissions-intensive resources, or the use of merchandise manufactured from recycled content material and/or which can be recyclable.

Alternatively, transferring to services and products that generate decrease emissions whilst they’re in use tackles most effective a part of the greenhouse gasoline (GHG) emissions puzzle — what’s known as operational emissions. The opposite a part of the equation — and one who Cisco has additionally been running to cut back thru how we design, manufacture, send and arrange our merchandise at finish of lifestyles — is what’s known as embodied emissions. 

Embodied emissions are the GHG emissions generated when production a product (or the parts that cross right into a product), when transporting it and when it’s handled on the finish of its helpful lifestyles. Those emissions are already a part of it before you purchase and/or use it [1].

A key focal point space for lots of era firms is to handle the operational emissions of gadgets in use nowadays by way of making improvements to the power potency of those merchandise. Alternatively, the place firms have the best skill to have an effect on emissions is during the design, production, transportation (together with opposite logistics) and reusability/recyclability of goods. To make a product with a decrease carbon affect over its lifecycle, we need to perceive what makes up the embodied emissions in a product and the way we will design or regulate the techniques we make and delivery it to cut back emissions.

A not-so-small step for humankind: quantifying a product’s embodied carbon emissions.

The total scope of emissions generated by way of the manufacturing, transportation, use and finish of lifetime of a product can also be quantified thru a lifecycle review (LCA). This comes to assessing what emissions resulted from production a product: from extracting or production its base fabrics (e.g., plastic for pc circumstances, battery fabrics like lithium), to the percentage of power utilized in factories to grow to be fabrics into parts after which collect parts into that unmarried product. Emissions may also be generated when generating packaging for a product, when transporting it to the end-user and from remedy on the finish of its helpful lifestyles.

In some way, measuring operational carbon is most likely easier — according to measurable metrics reminiscent of supply and amount of electrical energy used, gallons of gasoline ate up, and the emission elements related to them. By way of comparability, assessing embodied carbon of a product calls for a variety of actions:

  • Defining the gadget obstacles, i.e., which procedure steps are incorporated and excluded;
  • The usage of a known technique for the selection of knowledge and emissions quantification — for instance, steering from the Greenhouse Fuel Protocol (i.e., Product Lifecycle Accounting and Reporting Usual), Publicly To be had Specification (PAS) 2050, the ISO14040-44 requirements or the ISO14067 same old;
  • Amassing knowledge at the amount of fabrics used and effort intake at each and every lifecycle degree, in addition to the carbon dioxide identical (CO2e) emission issue for each and every subject material and procedure to quantify general CO2e emissions; and
  • Ensuring the information for the selected review is constant (e.g., practical unit, timescale).

After you have that data, you’ll quantify the embodied carbon emissions in a product and get started the true paintings — the use of that data to spot techniques to cut back those emissions.

The fitting knowledge can level how to centered emissions discounts.

With a wealthy working out of a product’s embodied carbon emissions, product designers can then doubtlessly make possible choices that scale back that product’s embodied emissions shifting ahead. All through product design, firms can believe substituting lower-carbon fabrics into merchandise. That substitution can take the type of the use of the similar subject material(s) produced in a much less emissions-intensive way (i.e., by way of the use of recycled subject material, extra power environment friendly business processes and/or lower-carbon power on the manufacturing facility degree) or by way of the use of another subject material this is much less emissions extensive to supply.

As well as, producers can optimize processes and enforce design adjustments to cut back the full use of fabrics and the quantity of waste generated right through production. Embodied emissions may also be lowered by way of the use of extra power environment friendly production processes and applied sciences, and the use of low-carbon resources of power for those processes. The affect of transportation too can also be lowered by way of imposing adjustments reminiscent of the use of low-carbon modes of delivery and gasoline varieties.

Final the loop.

Cisco’s crew has been onerous at paintings appearing its personal lifecycle tests and product carbon footprints tests to account for the greenhouse gasoline emissions from its production, transportation, and end-of-life remedy for its merchandise. Details about those processes can also be discovered on Cisco’s ESG Hub.

Production, delivery, and end-of-life emissions could make up more or less 1 / 4 of general emissions in Cisco merchandise [2], which is why it’s vital to account for and paintings to cut back emissions no longer as a consequence of product use. Calculating the affects of Cisco merchandise permits our groups not to most effective perceive the lifecycle carbon affects of our merchandise, however to fashion the affects of more than a few design, subject material and procedure adjustments that may be made to our merchandise.

Cisco has a public function for 100% of latest Cisco merchandise and packaging to include Round Design Ideas by way of FY25. Cisco has recognized 25 Round Design Ideas, arranged around the 5 focal point spaces underneath. Those Ideas play a pivotal position in enabling the aid of GHG emissions around the lifecycles of Cisco merchandise, particularly their embodied carbon emissions. Talk over with the ESG Hub for extra main points on Cisco’s function and its Round Design Ideas.A graphic showing Cisco's circular design focus areas

Cisco additionally has methods to inspire product returns, reuse, and recycling to cut back emissions from product finish of use. When merchandise are returned to Cisco, we review their situation and eligibility for reuse. If the product is in usable situation or repairable and there’s call for for the product, it undergoes a trying out and/or restore procedure to fulfill Cisco’s high quality requirements. One of the vital number one targets of product go back procedure is to redeploy as a lot subject material as imaginable, thus decreasing the manufacturing of virgin fabrics and next emissions.

  • Product returns: Quite a lot of methods presented for purchasers to go back merchandise again to Cisco to be sure that they apply the perfect worth finish of use pathway.
  • Product reuse: Reuse is all the time a best precedence. Returned gadgets that may be reused are remanufactured, refurbished, or repaired, and resold by way of Cisco Refresh, or utilized by Cisco provider operations or our inner labs.
  • Product recycling: Any merchandise that aren’t reusable are harvested for parts that may be reused, and closing fabrics are recycled the place imaginable by way of certainly one of our licensed recyclers. We recently have two shrunk e-scrap recyclers. Each and every recycler makes use of each company-owned amenities and subcontracted recyclers to offer world recycling protection.

Please discuss with the ESG Hub for main points at the more than a few returns and reuse methods presented.

Calculating product embodied carbon emissions is significant for Cisco to reinforce our consumers in quantifying the carbon affect of the goods they acquire, and it additionally supplies Cisco with data this is vital in our efforts to cut back the GHG emissions related to our merchandise.


[1] Carbon Usher in, https://carbonherald.com/what-is-embodied-carbon-and-why-does-it-matter/

[2]That is according to lifecycle greenhouse gasoline emissions quantified for Cisco ICT merchandise the use of world electricity-use emission elements. Talk over with the ESG Hub (“Environmental Footprint of our Merchandise”) for extra main points.

Proportion:

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