There is a new scam around: wine investors being told that the bottom has fallen out of the fine wine market, so it makes sense for you to sell you Lafite, Latour etc. for Carbon Credits.
Actually it does not make any sense as your Lafite is always likely to be more valuable long-term, even if its value has fallen over the last 18 months or so, than a carbon credit that may well not be worth the paper it is printed on.
I expect to be able to post more details soon.