EPD quality, made clearer .
In-depth articles on EPD quality and literacy from the team building Lodestellar — plus coverage from the wider industry press.
CPR, EPBD, DoPC: a plain-language guide to the rules making EPDs mandatory
Behind each acronym sits a piece of EU law that changes what environmental data you must produce, where it must appear, and what happens if it is wrong. A plain-language map of the three, and the dates that matter.
Read article →ISO 14025:2026 is not the hard part. The transition is.
ISO 14025:2026 replaced a twenty-year-old standard in June. Publication was the easy part — the transition will arrive in waves, programme by programme, each on its own clock. And it exposes a question few are asking: who checks the PCRs?
Read article →More Light Doesn't Mean Better Navigation: The Case of Mandatory EPDs
Voluntary is becoming mandatory, and a flood of EPD data is close behind. But when quality is invisible, mandated demand settles at the lowest acceptable bar — so the real task is making EPD quality legible before the market decides it does not matter.
Read article →Manufacturers won't prioritise EPD quality until they can see it
When quality is invisible, it cannot be a purchasing criterion — so speed and cost win. The dynamic that needs to change, and why AI shifts it in favour of quality.
Read article →What 5,700 Verification Comments Taught Me About Where EPDs Actually Go Wrong
Six years, 169 EPD projects, 5,700 verification comments categorised by theme. The biggest problem is not modelling errors — almost one in five comments says, in essence: I cannot verify this because you have not told me enough.
Read article →Wood contains the amount of carbon that wood contains: what 40 timber EPDs revealed about biogenic carbon reporting
40 published, third-party verified timber EPDs, manually cross-checked on biogenic carbon. 11 had issues — on a check that comes down to basic mass balance. Then the same 40 went through Lodestellar: same catches, no misses, no false alarms.
Read article →What You Cannot See in an EPD
A review of 75 published EPDs against four transparency basics — electricity assumptions, biogenic carbon, dominant contributors, and meaningful data quality. The silence travels into every decision built on top of it.
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