Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions tagged lcia results
0
votes
0
answers
373
views
How to easily visualize the environmental impacts of only the processes entered by the user
asked
Apr 1
in
openLCA
by
laurent 40
(
180
points)
openlca
lcia results
0
votes
1
answer
888
views
Difference in display of the IPCC results between openLCA LCIA Methods 2.8.0 and ecoinvent 3.11 LCIA Methods
asked
Mar 10
in
openLCA
by
Palacsinta
(
280
points)
impact assessment method
openlca lcia methods pack
lcia results
ecoinvent lcia methods
life cycle impact assessment (lcia) methods
0
votes
0
answers
823
views
how to obtain the environmental impacts of individual recycled materials
asked
Aug 25, 2025
in
openLCA
by
zengtingxi
(
410
points)
openlca
lcia results
end-of-life (eol)
evironment impact
life cycle impact assessment (lcia)
0
votes
1
answer
807
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
1.1k
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
1.9k
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
1.3k
views
Difference in the number of characterization factors between ecoinvent LCIA methods and OpenLCA LCIA Methods
asked
Nov 15, 2024
in
openLCA
by
farcebastias
(
510
points)
lcia results
ecoinvent lcia methods
openlca lcia methods pack
impact assessment method
0
votes
1
answer
1.3k
views
Is OpenLCA correctly applying the 'Location' feature in LCIA calculations for elementary flows?
asked
Nov 15, 2024
in
openLCA
by
farcebastias
(
510
points)
elementary flows
aware
location
lcia results
0
votes
2
answers
2.5k
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
810
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
1.8k
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
1.1k
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
671
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
3.1k
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
1.4k
views
How to implement product flows in impact assessment methods
asked
Aug 15, 2022
in
openLCA
by
WaltherZeug
(
780
points)
impact assessment method
openlca
lcia results
0
votes
1
answer
1.2k
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
1.3k
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
1.8k
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
1.7k
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
1.3k
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
3.7k
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
1.3k
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
1.7k
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
1.0k
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
1.1k
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
799
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
1.0k
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
2.4k
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
2.3k
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
1.8k
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
2.1k
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
621
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
1.5k
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
3.6k
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
2.6k
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
2.1k
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
1.3k
views
comparison between car and train
asked
Aug 18, 2020
in
openLCA
by
Lynn Lüdemann
(
390
points)
car
train
functional unit
lcia results
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
(3.2k)
Miscellaneous
(208)
LCA Collaboration Server
(81)
Follow @openlca
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
product system
life cycle impact assessment (lcia)
import
flows
results
error
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
processes
input output
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
impact assessment method
openlca1.5
en15804
lca collaboration server
import export
methods
life cycle assessment (lca)
waste treatment
excel export
contribution tree
provider linking
openlca 2.0
ecoinvent3.6
exiobase
impact categories
openlca 1.10.3
exporting results
waste management
allocation
crash
...
