Emerging risks and new challenges 351
From a prudential perspective, physical, transition and liability risks are il-
lustrations of standard nancial risks: credit, market, liquidity, operational (DG
Treasury etal., 2017).
In addition, Bolton et al. (2020) argue that climate change might trigger
“green swan” events, i.e. potentially extremely disruptive events, with systemic
consequences on the nancial system, due to complex, far- reaching, nonlinear,
chain reaction eects when exceeding climate tipping points, leading to cat-
astrophic and irreversible impacts. They are actually much more sizeable and
likely to occur than Taleb’s (2008) “black swan”, as also argued by NGFS (2019).
11.2.3.2 Policy responses
While there is certainty that some ...