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Sustainability

ESG Strategist - ECB expands climate reporting to other monetary portfolios

The ECB’s climate-related financial disclosure reporting no longer focuses only on corporate bonds, and has now been expanded to other asset classes, such as sovereign and covered bonds. With regards to corporate bonds, the higher availability of data also allowed the ECB to make adjustments to its tilting framework methodology. This resulted in the share of issuers with a ‘good’ climate score decreasing, while there was also a slight increase in the share of issuers with a ‘bad’ climate score. Over the years, the corporate bond portfolio shows a steady decarbonization path, although partially driven by inflationary pressures. The ECB claims its tilting strategy remains adequate and delivering the desired results, but admits that “if deviations from the desired trajectory are identified, remedial actions will be assessed”, which opens the door for a potential active reshuffling in the coming year(s). With regards to sovereign bonds, carbon emissions – which have a two-year lag – are compared to the most-recent data on economic activity, which makes meaningful conclusions around these indicators hard. With regards to covered bonds, the ECB relies on issuer-level data, rather than the emissions related to the covered-pool. This may lead to an underestimation of the effect that climate risks can have in the pricing of these instruments. Issuer-level data also excludes financed emissions, which is the primary element in banks' carbon footprint and a key climate risk indicator at the issuer level.

Larissa de Barros Fritz11/07/2024

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Sustainability

ESG Strategist - How exposed are companies and banks to biodiversity risks?

Biodiversity stands for biological diversity. The loss of biodiversity translates into the loss of services provided by ecosystems to the real economy. There are two types of risks associated with biodiversity: physical and transitions risks. Physical risks stem from the loss of biodiversity (for instance, disappearance of animal pollinators, like bees), and transition risks stem from regulations/policies introduced by regulators to mitigate biodiversity loss (such as the introduction of a tax on fertilizers or the implementation of Natura 2000). Physical risks are captured by how much a sector depends on biodiversity (e.g. agriculture depends a lot on animal pollinators, like bees). And transition risks are captured by how much a sector impacts biodiversity (i.e. the more damage a firm causes, the more likely it is to be hit by policies acting against it). The ENCORE database provides qualitative assessments for each sector and sub-sector on their exposure to biodiversity risks and we use these to calculate quantitative biodiversity sector exposure scores. As per existing regulation, banks are required to report their loan book exposure per sector, according to the NACE categorisation. Hence, by combining banks’ loan book exposure per sector and sector scores on biodiversity dependence and impact, we were able to calculate individual banks’ exposure to biodiversity loss risks. Furthermore, we used Natural Language Processing to assess a bank’s awareness of its balance sheet exposure to biodiversity risks.

Marta Teixeira31/10/2023

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