Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions tagged impact assessment
+1
vote
1
answer
543
views
Negative emissions in raw material phase
asked
Sep 5, 2025
in
Miscellaneous
by
ef_20
(
130
points)
impact assessment
results
raw material phase
biogenic carbon
0
votes
1
answer
817
views
inputs and impacts from Processes created by me
asked
Aug 12, 2025
in
openLCA
by
jovicce
(
120
points)
process
impact assessment
linking process
0
votes
0
answers
655
views
How to calculate impacts of multiple outputs from same inputs in one process, and how allocation distributes burden?
asked
Jul 13, 2025
in
openLCA
by
Vijayshri
(
140
points)
openlca
process
allocation
quantitative reference
impact assessment
0
votes
1
answer
561
views
Why did the LCIA result (freshwater ecotoxicity impact category) contributions amount to more than 100%?
asked
May 21, 2025
in
openLCA
by
bell3c
(
120
points)
impact assessment
recipe midpoint (h)
contribution tree
0
votes
0
answers
541
views
Inquiry Regarding Suitable Database for Methanol Production LCA in OpenLCA
asked
Dec 15, 2024
in
openLCA
by
Fatemeh Soltani
(
120
points)
database
process
chemical
data inputs
impact assessment
0
votes
1
answer
868
views
S-LCA Methodology with PSILCA database: Potential Double Counting of Raw Material Extraction Social Impacts
asked
Nov 14, 2024
in
Miscellaneous
by
LauraM
(
120
points)
psilca
social lca (s-lca)
impact assessment
phases
+1
vote
1
answer
602
views
Gold Has No End of Life: How Do I Calculate GHG Emissions for Gold Sold in Pawn Shops?
asked
Jul 5, 2024
in
openLCA
by
andres castellanos
(
130
points)
end-of-life
impact assessment
life cycle impact assessment (lcia)
0
votes
2
answers
1.7k
views
Project--units not showing up for one of the compared product systems
asked
Apr 30, 2024
in
openLCA
by
gv229
(
470
points)
impact assessment
product system
0
votes
1
answer
711
views
(-) calculation result
asked
Jan 29, 2024
in
openLCA
by
Myeongjukim
(
300
points)
calculation
processes
impact assessment
0
votes
1
answer
1.4k
views
Why does the production of sulphuric acid give a negative CO2 result in Open LCA using ecoinvent IPCC 2021
asked
Dec 18, 2023
in
openLCA
by
Arooba Nazneen
(
120
points)
openlca
methods
ipcc
impact assessment
0
votes
0
answers
474
views
why does the midpoint impact assessment result have a negative result and the network has a green line?
asked
Jul 29, 2023
in
openLCA
by
aditiapc
(
120
points)
impact assessment
recipe midpoint (h)
0
votes
1
answer
2.4k
views
Negative values for the LCIA
asked
May 2, 2023
in
openLCA
by
Eline1618
(
310
points)
lcia results
openlca
negative emissions
ecoinvent
impact assessment
0
votes
1
answer
1.5k
views
How can I do update for Eco invent LCIA methods database after importing it into the software?
asked
Mar 21, 2023
in
openLCA
by
Shaimaa El-Sers
(
120
points)
openlca
ecoinvent
impact assessment
0
votes
1
answer
1.3k
views
How to characterise a flow with an inmpact cathegory?
asked
Feb 17, 2023
in
openLCA
by
Eline1618
(
310
points)
openlca
flows
impact factor
impact assessment
characterisation factors
0
votes
1
answer
1.4k
views
Classification into raw material extraction, production, transport, product use and end of life
asked
Sep 5, 2022
in
openLCA
by
GVS
(
120
points)
openlca
phases
end-of-life
impact assessment
waste treatment
+1
vote
1
answer
1.4k
views
How do I download Julia Library?
asked
Mar 11, 2022
in
openLCA
by
saba shadab
(
170
points)
julia library missing
openlca 1.10.3
julia libs
import
impact assessment
0
votes
0
answers
737
views
i do LCA for building using OpenLCA as a software, LCI (ecoinvent) database, LCIA (ReCiPe) for my master thesis.
asked
Feb 21, 2022
in
openLCA
by
Mohamed Shehta
(
120
points)
ecoinvent
openlca
impact assessment
+2
votes
0
answers
1.0k
views
How can I use ecoinvent’s .spold files with OpenLCA that is asking for .zolca files?
asked
Dec 13, 2021
in
openLCA
by
Preety
(
140
points)
openlca
database
impact assessment
0
votes
1
answer
771
views
How do I set a reference study period?
asked
Nov 13, 2021
in
openLCA
by
pplopez23
(
160
points)
impact assessment
openlca
0
votes
1
answer
2.1k
views
How do I start for End-of-Life product LCA?
asked
Oct 29, 2021
in
Miscellaneous
by
prapok
(
170
points)
end-of-life
recycling
flows
impact assessment
0
votes
0
answers
571
views
How do I export GWP100 for all processes that I have in a database?
asked
Oct 6, 2021
in
openLCA
by
Boba
(
120
points)
impact assessment
gwp
0
votes
1
answer
1.1k
views
Impact of electricity not showing up
asked
Aug 19, 2021
in
openLCA
by
AmritaS
(
170
points)
impact assessment
processes
electricity
openlca
provider linking
0
votes
0
answers
1.4k
views
Influence of the different processes in ecoinvent case study ceramic cup vs paper cup
asked
Jul 7, 2021
in
openLCA
by
rufusxrf
(
140
points)
impact analysis
case study
ecoinvent
impact assessment
processes
0
votes
1
answer
1.5k
views
EN15804 SBK-Bepalingsmethod
asked
Apr 8, 2021
in
openLCA
by
Nell Stankewitz
(
230
points)
en15804
openlca
impact assessment
0
votes
1
answer
817
views
What do these values mean?
asked
Apr 1, 2021
in
openLCA
by
Muhammad Tayyab
(
120
points)
openlca
impact assessment
0
votes
0
answers
700
views
Importing CFs calculated in an excel to openLCA
asked
Aug 28, 2020
in
openLCA
by
Mudit
(
140
points)
impact assessment
import
0
votes
0
answers
717
views
Regionalized impact assessment
asked
Jan 23, 2020
in
openLCA
by
cdiffoteguia
(
200
points)
environmental footprints (pef)
impact assessment
regionalised lca
pef database
no regionalized information available
+1
vote
1
answer
3.2k
views
CML-IA baseline characterization factor: Arsenic
asked
Oct 16, 2018
in
openLCA
by
Nicola.Ferrara
(
1.5k
points)
impact assessment
cml
characterisation factors
+1
vote
1
answer
1.3k
views
Chlorine characterization factor in ReCiPe & UseTox
asked
Apr 16, 2018
in
openLCA
by
jsenan
openlca
impact assessment
ilcd
recipe
usetox
0
votes
1
answer
3.2k
views
EN15804:2012 Energy Empty
asked
May 24, 2017
in
openLCA
by
dinaharvard
openlca
modelling
impact assessment
To see more, click for the
full list of questions
or
popular tags
.
ask.openLCA
is a question-and-answer (Q&A) website on
Life Cycle Assessment (LCA)
.
It is also the public support platform for
openLCA
,
openLCA Nexus
and the
LCA Collaboration Server
.
Before asking questions please also consult our online manuals for
openLCA
and the
LCA Collaboration Server
.
Receive guaranteed and prioritised professional support via
GreenDelta's help desk
.
ask.openLCA is run by
GreenDelta
, the creators of openLCA.
Categories
All categories
openLCA
(3.1k)
Miscellaneous
(202)
LCA Collaboration Server
(80)
Follow @openlca
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
life cycle impact assessment (lcia)
product system
import
flows
error
results
openlca1.6
calculation
modelling
data inputs
python
monte carlo analysis
input output
processes
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
openlca1.5
impact assessment method
en15804
lca collaboration server
import export
methods
life cycle assessment (lca)
excel export
waste treatment
provider linking
openlca 2.0
contribution tree
ecoinvent3.6
exiobase
openlca 1.10.3
impact categories
exporting results
waste management
crash
allocation
...
