352 Emerging risks and new challenges
shown by Mesonnier (2019), in order to have an eect on credit allocation to-
wards “greener” rms, this would also require that nal borrowers themselves
report their CO
2
emissions, which is not yet the case for SMEs. In addition,
Pillar I requirements might be used, penalizing high CO
2
emission assets, or
softening solvency requirements for exposures to low CO
2
emission activities
(a “green supporting factor”, advocated by the banking industry). Note how-
ever that the latter contradicts the risk- based nature of nancial regulation.
In addition, research is active for dening proper scenarios for stress testing
climate change (DG Treasury etal., 2017; NGFS, 2019). Two broad categories
of scenarios m ...