I happened upon these glossaries the other day, as you do, whilst working on a translation project, and thought they might be worth sharing with you.
They were issued by the Intergovernmental Panel on Climate Change (IPCC), Task Force on National Greenhouse Gas Inventories.
- Here you can find the glossary in English.
- Here in Spanish.
- Here in French.
Please note that these are monolingual glossaries only and will require a fair amount on your part if you want to create a bilingual/multilingual glossary from them.
There might be other language versions lurking on that website, but so far my searches have been in vain.
P.S. Yes I know the picture is a bit of a stretch… 😉
From Words to Deeds: translation & the law 
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Very useful. I’ll combine EN-ES in a Word file to export to my database. Thanks.
thank you for sharing