10 min readCBAM
Eight fundamental differences between CBAM and LCA
Both compute emissions, but they do not answer the same question. System boundary, gases covered, allocation rules and verification regime all differ.
Read moreEN 15804
Every clca article tagged “EN 15804” — 12 technical pieces covering the topic from methodology, standards interpretation and practical application angles.
12 articles
11 min readSectors
Timber LCA: biogenic carbon storage, sustainable forestry and end-of-life
The claim that timber is 'carbon negative' has to survive proper accounting. When stored carbon may be counted, and what happens at end-of-life.
Read more10 min readSectors
Ceramics LCA: firing energy, thickness and heat recovery
One line decides ceramic impact: the kiln. What glazing, drying and thin-body technology actually do to the total.
Read more10 min readCorporate Carbon
Turning EPD data into a Scope 3 inventory
The EPDs you hold are the best data source for a corporate inventory — if you map the right modules to the right categories. Practical mapping rules.
Read more11 min read
Beyond GWP: why the other impact categories matter
Focusing on carbon can reverse some decisions. The real role of acidification, eutrophication, ozone, toxicity and resource depletion.
Read more10 min read
Primary and secondary data: which to collect for which line
Modelling everything with primary data is neither possible nor necessary. The foreground-background split and allocating a data collection budget well.
Read more10 min read
ISO 14046 water footprint: withdrawn water is not consumed water
Counting litres is not a water footprint. Scarcity weighting, the consumption-versus-degradation split, and regional sensitivity.
Read more10 min read
Scenario analysis: how end-of-life assumptions decide the result
Nobody knows what recycling infrastructure will look like in fifty years. How to work with that uncertainty and report scenarios honestly.
Read more10 min readISO Series
Cut-off rules: what you are allowed to leave out
No LCA models every flow. How cut-off criteria are defined, the mass-energy-environmental relevance triad, and the most common mistake.
Read more14 min readStandards
What is EN 15804+A2? A practical guide for product manufacturers
EN 15804+A2 (2019) is the mandatory European EPD standard for construction products. This guide covers indicators, the modulary table, MNR/MND, verification and end-to-end production with clca.
Read more10 min readFundamentals
What is an Environmental Product Declaration (EPD)?
An EPD presents a product’s environmental performance in a standard format, independently verified. What it says, what it does not, and why buyers ask for one.
Read more10 min readPlatform
How to choose LCA software: eight evaluation criteria
Comparing feature lists misleads. What actually decides it is database access, verifiability and fit with your workflow.
Read moreRelated topics
- fundamentals20
- data quality15
- CBAM11
- building LCA10
- EPD10
- embodied carbon9
- sector LCA9
- ecoinvent8
- Scope 38
- construction product EPD7
- life cycle assessment7
- recycled content7
- corporate carbon footprint6
- biogenic carbon5
- embedded emissions5
- functional unit5
- ISO 140405
- carbon footprint5
- verification5
- carbon pricing4
- circular economy4
- CSRD4
- EN 159784
- end-of-life scenario4
- environmental claim4
- EPD program operator4
- green building4
- impact categories4
- Module D4
- CO2 equivalent3
- data collection3
- Digital Product Passport3
- electricity emission factor3
- emission factor3
- energy efficiency3
- environmental regulation3
- export compliance3
- green building certification3
- uncertainty analysis3
- PCR3
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