Two weeks of climate change talks kick off in Paris on Monday.
This COP21 pow-wow is being billed as bigger than Kyoto and Copenhagen and "yet another" last chance to save the world from cataclysmic environmental climate change on the planet.
The scientists, politicians and activists will try and reach some accord about the action needed to avert crisis but will us mere mortals actually understand a word they are talking about?
In my pre-Paris prep, I've come up against a barrage of acronyms and abbreviations that'll present a big barrier to the rest of us actually having a clue of what on earth is being talked about.
So to help all of us interpret all the "climate-speak," I've put together my top 10 acronyms from planet COP.