a tweet by an author (Twitter)
Coastal cities, agricultural breadbasket regions and water supplies for many communities all will be radically different if this planet returns to a Pliocene CO2 world. This future is not inevitable—but avoiding it will require big* steps now..'

*gianthttps://phys.org/news/2020-09-arctic-hasnt-million-yearsand-foreshadows.html

My children will ask me one day what I did back then. So will yours.