I will tell people that rising CO2 may cause catastrophic levels of warming. (judithcurry.com)
In addition, payouts are generally capped at relatively low levels, which means they don't provide much help if your expenses reach catastrophic levels. (moneysense.ca)
In this interdisciplinary project, eight working groups investigated under which conditions natural greenhouse gas emissions can reach catastrophic levels and how they are connected to crises in biodiversity. (sciencedaily.com)