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---
license: cc-by-nc-sa-4.0
language: en
base_model: climatebert/distilroberta-base-climate-f
datasets: [climatebert/environmental_claims]
tags: [text-classification, climate, esg, greenwashing]
---

# GreenTruth Claim Detector

Binary classifier flagging whether a sentence is an environmental claim. Text stage
of GreenTruth, which checks environmental claims against Earth-observation evidence.

## Intended use
Find checkable environmental claims in corporate disclosures, before evidence-grounded
verification. Detecting a claim is not judging it.

## Training
Fine-tuned climatebert/distilroberta-base-climate-f on the environmental_claims dataset
(Stammbach et al., ACL 2023): 3 epochs, lr 2e-5, batch 16, max length 256.

## Evaluation
See the notebook run for test precision/recall/macro-F1/accuracy. The paper reports
macro-F1 around 85% for comparable models.

## Limitations & ethics
English, listed-company text; domain shift is likely. Detects a claim, not its truth.
Inherits CC BY-NC-SA 4.0 (non-commercial). Do not use to label a company deceptive.

## Dataset
https://huggingface.co/datasets/climatebert/environmental_claims