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ACRONYMS
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- IGO = Intergovernmental Organization. In our file descriptions, "IGO" is used to refer to the various intergovernmental organizations involved in international climate governance (see below for the full list of institutions considered). Our corpus is composed of reports published by these organizations on the topic of climate change.

- MEDIA/Press = Used to designate data belonging to the journalistic corpus, described below.

- NGO = Non-Governmental Organization

- COP = Conference of the Parties

- CT = Candidate Term

- UC = Compound Unit

- US = Simple Unit

- FR = Frequency

- FR_rel = Relative Frequency

- FR_ex = Expected Frequency

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WHAT IS THE NATURE OF THE DATA?
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The “IGO corpus” consists of reports on climate change published between 2007 and 2021 by major intergovernmental organizations that have worked on this topic. These include the UNFCCC (United Nations Framework Convention on Climate Change), the IPCC (Intergovernmental Panel on Climate Change), UNDP (United Nations Development Programme), UNEP (United Nations Environment Programme), the UN, UNCDF (United Nations Capital Development Fund), WMO (World Meteorological Organization), the World Bank, and UN-REDD (United Nations Programme on Reducing Emissions from Deforestation and Forest Degradation in Developing Countries). These institutions were selected because each has published at least one report on climate change during the study period. In fact, all reports on this topic published by these organizations during the relevant period were included in the corpus.

The reports are authentic and complete; only visual elements such as figures, references, images, annexes, hyperlinks, and tables were removed to enable automated text analysis using natural language processing tools.

The IGO corpus is divided into diachronic subcorpora, containing reports published around key moments in climate governance: COP15 in Copenhagen (2009), COP21 and the Paris Agreement (2015), and the period surrounding COP25 and COP26 (our research took place during the lead-up to and aftermath of these latter conferences).

The folder also includes two metadata files:

• "metadata.xlsx", which contains metadata for all subcorpora (in Excel format with multiple sheets),
• "metadata-OIG.csv", which contains metadata specific to the IGO corpus.
Each metadata file also indicates the diachronic subcorpus to which each .txt file belongs.


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HOW WERE THE DATA COLLECTED?
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The expert reports were downloaded in PDF format directly from the official websites of the organizations, then cleaned and converted into plain text (TXT) format. Part of the corpus had already been precompiled by our research lab, GREMUTS, as part of previous projects. We significantly expanded it, nearly tripling its size.

To ensure that the documents added to the corpus were relevant to the topic of climate change, we only selected reports whose titles contained one of the following expressions: “global warming,” “global heating,” “greenhouse effect,” “IPCC,” “temperature,” or “climate,” in singular or plural form.


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Reference
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Bureau, Pauline. 2023. « Variation terminologique et néologie dans le domaine du changement climatique ». Thèse de doctorat en Etudes anglophones, Université Grenoble Alpes. (en préparation)