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Recent questions tagged lcia results
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0
answers
495
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how to obtain the environmental impacts of individual recycled materials
asked
Aug 25, 2025
in
openLCA
by
zengtingxi
(
390
points)
openlca
lcia results
end-of-life (eol)
evironment impact
life cycle impact assessment (lcia)
0
votes
1
answer
487
views
results differ when calculating impact from an exported product system matrix (using main.py) than in the GUI.
asked
Jul 14, 2025
in
openLCA
by
gjthoma
(
800
points)
matrix export
lcia results
product system
+1
vote
2
answers
659
views
Negative impacts results for waste with EN15804
asked
Feb 25, 2025
in
openLCA
by
AxelGWM
(
130
points)
en15804
waste
lcia results
negative outputs
0
votes
2
answers
1.1k
views
How can I export data from my model the same way as ecoinvent Excel output?
asked
Feb 4, 2025
in
openLCA
by
Marine
(
150
points)
excel export
lcia results
0
votes
1
answer
856
views
Difference in the number of characterization factors between ecoinvent LCIA methods and OpenLCA LCIA Methods
asked
Nov 15, 2024
in
openLCA
by
farcebastias
(
450
points)
lcia results
ecoinvent lcia methods
openlca lcia methods pack
impact assessment method
0
votes
1
answer
864
views
Is OpenLCA correctly applying the 'Location' feature in LCIA calculations for elementary flows?
asked
Nov 15, 2024
in
openLCA
by
farcebastias
(
450
points)
elementary flows
aware
location
lcia results
0
votes
2
answers
1.7k
views
I am having difficulty in adding inputs (diesel and electricity) for my material production.
asked
May 23, 2024
in
openLCA
by
Jae
(
180
points)
openlca
calculation
lcia results
flows
0
votes
0
answers
601
views
Calculate results for my created process, not the provider
asked
Mar 20, 2024
in
openLCA
by
ramortada
(
210
points)
openlca
process
lcia results
calculation
providers
0
votes
1
answer
1.3k
views
What is the meaning of "Direct impact contributions" in exported results?
asked
Mar 13, 2024
in
openLCA
by
hlappal
(
330
points)
openlca 2.1
excel export
lcia results
direct contribution
upstream impacts
0
votes
1
answer
822
views
Why do I get the same results regardless of whether I carry out the impact evaluation in different countries?
asked
Jan 28, 2024
in
openLCA
by
KRC
(
120
points)
results
openlca
lcia results
agribalyse
life cycle impact assessment (lcia) methods
0
votes
0
answers
466
views
Rule of three for LCIA
asked
May 24, 2023
in
openLCA
by
forbay
(
350
points)
openlca
life cycle impact assessment (lcia)
ecoinvent
lcia results
modelling
0
votes
1
answer
2.3k
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
982
views
How to implement product flows in impact assessment methods
asked
Aug 15, 2022
in
openLCA
by
WaltherZeug
(
750
points)
impact assessment method
openlca
lcia results
0
votes
1
answer
861
views
category selection in inputs/outputs sheet and flow type selection
asked
May 22, 2022
in
openLCA
by
Stella
(
140
points)
category
flows
lcia results
0
votes
1
answer
996
views
Impact analysis results when typing data(flows) manually
asked
May 22, 2022
in
openLCA
by
Stella
(
140
points)
impact factors
impact analysis
data
lcia results
flows
+1
vote
1
answer
1.3k
views
Why are the contributions to impact category results for self-created flows not shown properly?
asked
Apr 13, 2022
in
openLCA
by
Luca
(
130
points)
recipe midpoint (h)
lcia results
gwp
openlca
0
votes
1
answer
1.3k
views
Results in negative in some indicators with Recipe Midpoint H
asked
Apr 10, 2022
in
openLCA
by
Daniq1026
(
120
points)
recipe midpoint (h)
lcia results
+1
vote
1
answer
1.0k
views
PROBAS negative results
asked
Apr 8, 2022
in
openLCA
by
Maxim Derkach
(
210
points)
lcia results
openlca
impact categories
results
database
0
votes
1
answer
3.0k
views
Is it possible to manually add impact factors for specific flows to an existing impact assessment method?
asked
Apr 6, 2022
in
openLCA
by
sanna-henk
(
140
points)
impact factors
impact assessment method
external values
co2 emission
lcia results
0
votes
1
answer
1.0k
views
Is it normal to get negative human toxicity cancer results?
asked
Feb 3, 2022
in
openLCA
by
sagets
(
870
points)
lcia results
impact categories
calculation
human toxicity
0
votes
1
answer
1.3k
views
Trouble calculating results from product system
asked
Dec 1, 2021
in
openLCA
by
NK
(
130
points)
product system
process
lcia results
+2
votes
1
answer
726
views
Risks in 'Industrial water depletion' in PSILCA
asked
Nov 15, 2021
in
Miscellaneous
by
edilenepandrade
(
180
points)
psilca
impact categories
water use
lcia results
risks
+2
votes
1
answer
827
views
ProBas+ negative results/ different results for unit and process system
asked
Nov 14, 2021
in
openLCA
by
Yannik
(
140
points)
openlca
product system
unit process
lcia results
+1
vote
0
answers
591
views
Why are my aluminium results so low?
asked
Nov 8, 2021
in
openLCA
by
Sally
(
190
points)
lcia results
gwp
al
+2
votes
0
answers
860
views
I am getting nearly all negative values, inputs, outputs, and/or impacts in the Analysis result.
asked
Jul 6, 2021
in
openLCA
by
sunger25412
(
140
points)
negative outputs
negative inputs
lcia results
calculation
openlca
0
votes
0
answers
1.9k
views
Why I am getting all zero impacts after running calculation?
asked
Jun 2, 2021
in
openLCA
by
Dhiraj
(
130
points)
openlca
results
lcia results
calculation
life cycle impact assessment (lcia)
0
votes
1
answer
1.8k
views
Calculating negative impact values for processes from the USLCI database?
asked
May 13, 2021
in
openLCA
by
mgdreis
(
120
points)
openlca
lca commons
nrel
lcia results
0
votes
1
answer
1.4k
views
Impact methods for EPD - resource use
asked
May 4, 2021
in
openLCA
by
tim.sanders
(
140
points)
methods
impact categories
results
lcia results
0
votes
1
answer
1.8k
views
Why do I get negative impact results in the resource depletion impact category?
asked
May 3, 2021
in
openLCA
by
nad
(
360
points)
results
lcia results
elcd database
ilcd 2011 midpoint +
impact categories
+1
vote
0
answers
487
views
Cement Production brings positive to Land Occupation, Permanent Crop?
asked
Mar 15, 2021
in
openLCA
by
Sam Han Ti
(
150
points)
results
lcia results
land occupation
0
votes
0
answers
1.2k
views
Why do I get zero results in all impact categories?
asked
Feb 12, 2021
in
openLCA
by
Rogerio_Manhaes
(
120
points)
openlca
results
lcia results
+1
vote
1
answer
3.1k
views
Why do I get negative results in all impact categories?
asked
Jan 10, 2021
in
openLCA
by
nad
(
360
points)
results
pef database
product system
lcia results
calculation
0
votes
1
answer
2.2k
views
Why the inventory results (inputs, outputs and total requirements) are negative?
asked
Dec 21, 2020
in
openLCA
by
Berenice
(
150
points)
lcia results
results
0
votes
1
answer
1.8k
views
Why are my LCIA results zero?
asked
Sep 30, 2020
in
openLCA
by
BrentRiffel
(
120
points)
lcia results
ecoinvent3.4
+1
vote
1
answer
1.0k
views
comparison between car and train
asked
Aug 18, 2020
in
openLCA
by
Lynn Lüdemann
(
390
points)
car
train
functional unit
lcia results
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