Will smog be listed on Coinbase?

Could you please clarify if there's any credible information or rumor suggesting that smog, a term commonly used to describe air pollution, will be listed on Coinbase, a popular cryptocurrency exchange platform? As of my knowledge, Coinbase primarily lists digital currencies and tokens that are backed by blockchain technology and have a tangible value proposition. Smog, being an environmental issue, doesn't seem to fit the criteria for being listed on a cryptocurrency exchange. Could you elaborate on the context behind this question or provide any additional details that might suggest such a listing?