EPD Guide

by Parq

EPD Impact Categories, Summarized

6 Articles
•Complete guide and resources

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Four stacked beakers labeled fossil, biogenic, land use change, and total, each filling to different levels to show how the same product’s GWP splits across subcategories.

Environmental impact categories for EPDs, explained

GWP gets the headlines, but specifiers are reading the whole impact table now. If you make...

Eric Hansen
5 min read
12/14/2025
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A four‑pane visual that shows one product icon with carbon arrows flowing into four labeled boxes: fossil, biogenic, land‑use change, and total, like a nutrition label.

EPD impact categories explained, without the jargon

If specifiers scan only one thing in your EPD, it is the impact table. Those numbers decide whether...

Eric Hansen
5 min read
12/14/2025
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Two pans on a balance scale, one with grey virgin pellets and a heavy carbon cloud overhead, the other with colorful recycled pellets and a lighter cloud, showing the GWP drop by feedstock choice.

Raise recycled plastics, drop GWP, no reformulation

If your product contains plastics, you can often cut cradle‑to‑gate GWP fast by increasing recycled...

Toby Urff
5 min read
12/1/2025
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A control lever labeled with increasing cullet percentages that lowers a gauge showing GWP, while a separate performance gauge stays steady.

Boost Recycled Float Glass, Lower GWP Fast

Your EPD’s GWP is a hair too high and reformulation feels risky. Good news. Raising cullet share in...

John Johnson
5 min read
12/1/2025
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Scatter plot with embodied CO₂ on the x-axis and daylight factor on the y-axis showing VELUX, FAKRO, and a grey question-mark dot for Columbia.

Skylight Daylight vs Carbon: VELUX, FAKRO, Columbia

Every extra lumen from above trims electric-lighting bills, yet every square metre of roof glazing...

Eric Hansen
5 min read
10/28/2025
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A split-screen gauge cluster showing each category as a speedometer, some in green, others approaching red, to visualise trade-offs.

EPD Impact Categories in Plain English

EPDs live or die by a handful of impact categories. Understand what each metric actually measures...

Walker Ryan
5 min read
9/10/2025
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