Indeed. 2 million tonnes == 2Tg. 2 million metre³ == 2hm³. The unit in the article is "cubic tonne". I mixed the whole thing without thinking. This is maybe add

Indeed. 2 million tonnes == 2Tg. 2 million metre³ == 2hm³. The unit in the article is "cubic tonne". I mixed the whole thing without thinking. This is maybe adding weight (what a pun) to my original point though. Using the proper unit at the source.