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Climate Claim Checker

Dev claim · claim-2609 · #114 of 154

“Individual carbon dioxide molecules have a short life time of around 5 years in the atmosphere.”

Claim tags (sorted stems; highlighted when a passage shares them)

  • around
  • atmospher
  • carbon
  • dioxid
  • individu
  • life
  • molecul
  • short
  • time
  • year

Annotators’ label

Refutes Run this claim live

The model’s verdict

The Transformer retrained from the notebook (the 2024 weights were never saved), shown three ways. The first is how the notebook evaluated it.

Notebook protocol

Dev claims predicted in batches of 16, in file order, from the 2024 retrieved evidence, as the notebook does.

Supports✗ differs from the label
Supports
54.7%
Refutes
19.2%
Not enough info
13.0%
Disputed
13.1%

One claim at a time

The same model run on a single claim, which is how the Try-it page runs it.

Supports✗ differs from the label
Supports
50.7%
Refutes
22.6%
Not enough info
18.6%
Disputed
8.1%

With gold evidence

Fed the human-annotated evidence instead of retrieved passages. This is the 'val accuracy' the training loop reports.

Supports✗ differs from the label
Supports
60.5%
Refutes
23.0%
Not enough info
5.0%
Disputed
11.5%

Retrieved vs gold evidence

Gold passages were picked by the dataset’s annotators. Retrieved passages are what the TF-IDF rule returned from all 1.19M passages. Switch between the submitted 2024 output and the re-runs.

2024 submission

The passages the team actually retrieved and submitted in 2024 (their saved output file). The file records only passage ids, so scores are recomputed with the submission rule.

Path
not recorded
Found
0 of 3 gold
P
0.00
R
0.00
F
0.00
  1. #1evidence-1196424

    Carbon dioxide is colorless.

    • dioxid (shared with the claim)
    • carbon (shared with the claim)
    cos
    0.429
    overlap
    1.000
    score
    1.429
    shared
    2
  2. #2evidence-186391

    The only time it was sub-1000 before was the year before, at # 856.

    • sub
    • year (shared with the claim)
    • time (shared with the claim)
    cos
    0.457
    overlap
    0.667
    score
    1.124
    shared
    2
  3. #3evidence-80345

    The Welland was used only for a short time.

    • use
    • time (shared with the claim)
    • short (shared with the claim)
    cos
    0.438
    overlap
    0.667
    score
    1.104
    shared
    2
  4. #4evidence-1072434

    The life expectancy of the machine is around 25 years.

    • محمد
    • around (shared with the claim)
    • expect
    • life (shared with the claim)
    • year (shared with the claim)
    • machin
    cos
    0.601
    overlap
    0.500
    score
    1.101
    shared
    3
  5. #5evidence-257929

    Coal contains more carbon than oil or natural gas fossil fuels, resulting in greater volumes of carbon dioxide emissions per unit of electricity generated.

    • fossil
    • dioxid (shared with the claim)
    • carbon (shared with the claim)
    cos
    0.429
    overlap
    0.667
    score
    1.095
    shared
    2
  6. #6evidence-210811

    Minagawa was 114 years, 25 days at the time.

    • day
    • year (shared with the claim)
    • time (shared with the claim)
    cos
    0.356
    overlap
    0.667
    score
    1.023
    shared
    2

Gold evidence (3)

  1. evidence-185746

    Carbon dioxide is of greatest concern because it exerts a larger overall warming influence than all of these other gases combined and because it has a long atmospheric lifetime (hundreds to thousands of years).

    • lifetim
    • exert
    • thousand
    • gase
    • greatest
    • dioxid (shared with the claim)
    • hundr
  2. evidence-801956

    This is due to carbon dioxide's very long lifetime in the atmosphere.

    • lifetim
    • atmosph
    • dioxid (shared with the claim)
    • due
    • carbon (shared with the claim)
    • long
  3. evidence-938381

    The atmospheric lifetime of CO 2 is estimated of the order of 30–95 years.

    • lifetim
    • atmosph
    • محمد
    • order
    • co
    • year (shared with the claim)
    • estim

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Second opinion from an LLM

The model reads this claim and the evidence passages shown on this page, picks one of the four verdicts and cites the passages it used. It is told to judge from the passages only. You review the answer; the call and your decision go to the AI audit log in this browser.

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