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ESG Strategist - Are credit rating agencies overlooking climate risks?

Climate risks are mounting across the world and Europe is not immune to this global development. The devastating floods in Valencia and the wildfires in Portugal are just recent examples of a phenomena that is expected to become increasingly frequent. As it was noted in our previous research (see [1]), acute physical risks – such as floods, or wildfires – can result in significant direct economic damages, such as the loss of buildings, livestock, natural resources and infrastructure, which in most instances is only partly insured. Moreover, climate-related disasters can also have longer-term impact on economic growth. These can ultimately affect the ability of a country to repay its debt, such that climate-related risks should be – if not already - considered by credit rating agencies. Hence, in this note, we aim to dive deeper into sovereign ratings, in order to understand whether climate-related indicators are accounted for by rating agencies when assessing country risks. We solely focus on climate-related indicators, given that past research has proven that the social and governance pillars (the other components within the E, S and G) remain the biggest drivers of sovereign risk premia (the exception being low-income countries where some environmental variables stand at the forefront - see [2]). This note is structured as follows: below we discuss the data and the methodology used, followed by our interpretation of results. Finally, we finish the note by offering conclusions.

Marta TeixeiraFinn Blokker(+1)
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ESG Economist - What is the role of green ammonia in decarbonizing the world?

Ammonia is a highly toxic colourless gas with a distinct smell. It is composed of nitrogen and hydrogen. Ammonia can be produced in soil from bacterial processes and from the decomposition of organic matter. Only a very small percentage has been produced this way. Most ammonia is produced from natural gas and air. Natural gas molecules are reduced to carbon and hydrogen. The hydrogen is then purified and reacted with the nitrogen in the air to produce ammonia (Haber-Bosch process). This is called grey ammonia. If this method is combined with carbon capture and storage then this is called blue ammonia. The production of each metric tonne of grey ammonia contributes to the emission of roughly 1.9 metric tonnes of CO2 (1). Global ammonia production accounts for 1.3% of energy related CO2 emissions (2). According to the IEA, ammonia is one of the most emissions-intensive commodities produced by heavy industry, nearly twice as emission intensive as crude steel production and four times that of cement on a direct (scope 1) emissions basis. Another way of making ammonia is by using green hydrogen and nitrogen from the air. This is called green ammonia. Currently, around 70% of ammonia is used to make fertilisers with the remainder used for a wide range of industrial applications such as plastics, explosives and synthetic fibres. But it also has potential as a green energy carrier and as storage medium. In this report, we try to answer the question: What will the role of green ammonia be in decarbonising the world?

Georgette BoeleMoutaz Altaghlibi(+1)

Flagship Publications

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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 Teixeira

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