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What is Embodied Carbon?
  1. Glossary/

What is Embodied Carbon?

7 mins·
Ben Schmidt
Author
I am going to help you build the impossible.

When we talk about the environmental impact of a startup, we usually focus on the energy we consume today. We look at the electricity used to power our servers or the fuel spent by delivery vans. These are visible and immediate costs. However, there is a much deeper layer of environmental impact that exists before your product even turns on or leaves the warehouse. This is known as embodied carbon. It represents the sum of all the greenhouse gas emissions that were released to create a material and bring it to its current state.

For a founder, understanding this term is about understanding the total history of your physical assets. It includes the energy used to extract raw minerals from the earth. It includes the heat required to smelt metals or synthesize chemicals. It also includes the transportation emissions generated as those materials move between various processing plants. By the time a finished component arrives at your assembly line, it already carries a heavy load of carbon that has already been released into the atmosphere.

This concept is not just for companies making heavy machinery or constructing buildings. If your startup produces consumer electronics, furniture, or even specialized packaging, you are making decisions that lock in specific levels of embodied carbon. It is a fixed cost that cannot be reduced once the item is produced. This makes it a critical factor in the design and procurement phases of your business.

The Lifecycle of Production Emissions

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To grasp the full scale of embodied carbon, you have to look at the entire lifecycle of a material before it reaches your hands. This is often referred to as a cradle to gate assessment. The process begins at the source. If you are using aluminum for a laptop casing, the embodied carbon starts with the mining of bauxite. The energy required to dig that ore out of the ground is the first entry in the ledger.

Next comes the refining and smelting process. This is often the most carbon intensive stage. Smelting requires massive amounts of heat and electricity. If the smelter is located in a region that relies on coal power, the embodied carbon of that aluminum will be significantly higher than if it were produced using hydroelectric power. This variance is something many founders overlook when choosing suppliers based solely on price or speed.

Manufacturing is the final step in this initial journey. Shaping, cutting, and finishing the material all require energy. Even the waste generated during manufacturing contributes to the total. If you waste thirty percent of your raw material during the cutting process, the embodied carbon of your finished part effectively increases because you had to produce more raw material than you actually used in the final product.

Transportation acts as the connective tissue between these stages. Every time a semi truck or a cargo ship moves these materials from one facility to another, the emissions from that fuel are added to the total. For a globalized startup, these logistics can be a massive contributor to the overall footprint. You might find that a cheaper component from across the globe has a much higher carbon cost than a local alternative simply because of the miles it traveled.

Embodied Carbon Versus Operational Carbon

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It is helpful to compare embodied carbon with operational carbon to see the full picture of a startup’s impact. Operational carbon is the energy used during the life of a product or a building. For a software company, this might be the electricity used by the servers that host your application. For a transportation startup, it is the fuel burned while moving passengers. This is an ongoing cost that can be managed and reduced over time by improving efficiency or switching to renewable energy sources.

Embodied carbon is different because it is front loaded. It is a sunk cost that happens before the product is ever used. If you build a massive data center, the embodied carbon in the concrete and steel is permanent. Even if you run that data center on one hundred percent solar power for its entire life, the carbon emitted during the production of that concrete will never go away. This is why founders who want to build truly sustainable companies must look at what they build with, not just how they run it.

In some industries, the ratio between these two types of carbon is shifting. As our power grids become cleaner and appliances become more efficient, operational carbon is decreasing. This makes embodied carbon a much larger percentage of the total lifetime impact. In modern high efficiency buildings, embodied carbon can account for half of the total emissions the building will ever produce. This shift means that the decisions you make during the procurement phase are becoming the primary lever for environmental impact.

For a hardware startup, this comparison is vital. You might design a device that is incredibly energy efficient during use. However, if the manufacturing process for its specialized battery or casing is extremely carbon intensive, it might take years of use before the operational savings actually offset the initial carbon debt. You have to ask if the trade off is worth the upfront environmental cost.

Practical Scenarios for Founders

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Consider a scenario where you are designing packaging for a new physical product. You have two choices. Option A is a traditional plastic that is cheap and light. Option B is a recycled paperboard that is slightly heavier. From an operational standpoint, the plastic might seem better because its lighter weight reduces shipping fuel. However, the embodied carbon in virgin plastic production is often much higher than in recycled paperboard. You have to weigh the manufacturing debt against the shipping emissions.

Another scenario involves the longevity of your equipment. If you are a manufacturing startup, you might be choosing between buying new, highly efficient machines or retrofitting older ones. The new machines will have lower operational carbon. But the embodied carbon of producing an entirely new industrial machine is massive. In many cases, keeping older equipment running for a few more years is the better choice because it avoids the immediate release of carbon associated with new production.

Supply chain transparency is becoming a competitive necessity. Large enterprise customers are starting to ask for Environmental Product Declarations or EPDs. These documents provide a verified report on the embodied carbon of a product. If your startup cannot provide this data, you might find yourself locked out of major contracts. Knowing your numbers is no longer a niche requirement; it is a core business function.

The Unknowns in Carbon Accounting

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We are still in the early stages of accurately measuring these values. There is no single, universal database that tells you exactly how much carbon is in every gram of material. We rely on averages and estimates. This creates a level of uncertainty that founders must navigate. How do you make a firm decision when the data from two different suppliers uses different calculation methods? This is a question the industry is still trying to solve.

There is also the question of future regulation. If governments begin to implement carbon taxes at the border, the embodied carbon of your imported components could suddenly become a financial liability. We do not know when or how these taxes will be applied, but the risk is there. Founders should consider whether their business model can survive a world where the hidden carbon debt must be paid in cash.

Finally, we must consider the trade offs of recycled materials. While recycling generally lowers embodied carbon, the process of recycling itself requires energy and sometimes toxic chemicals. Is the lower carbon footprint worth the other potential environmental impacts? We do not always have a clear answer. As a founder, you have to look past the marketing fluff and ask for the hard data to see if the choices you are making align with your long term goals of building something solid and valuable.