Our Fragile Moment

In his new book Our Fragile Moment, Professor Michael Mann goes back in time and examines all the critical climate-changing events in our planet’s history. He shows what lessons can be learned from each one, and more importantly what lessons can’t be drawn from these events.

One of the most important lessons is that climate impacts are not all neatly reversible. For example, if we start to lose an ice sheet because of excess atmospheric CO2 and warming, just dialling down the CO2 back to its ...