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In the weeks following COP26, investors in the UK and worldwide face a myriad of upcoming climate-related regulations heading towards the implementation phase. In addition, major global coalitions such as the Glasgow Financial Alliance for Net Zero have sprung up to attempt to accelerate decarbonization via targeted investment.

Reactions to the COP26 Conference and the resulting Glasgow Climate Pact have predictably run the gamut from claims of greenwashing to the celebration of progress in the fight against climate change. Ultimately, any judgement on COP26 may be premature, as the success of the conference will best be measured in time by the extent to which commitments made are put into motion. While we wait to see the concrete actions that materialize, the past two weeks have underscored the importance of several themes that will garner increasing attention and should be considered by sustainable investors.

Investors can examine to what extent petroleum refiners manage their Non-GHG Air Emissions and assess the quality of a company's programs to reduce air pollutants. For instance, examining all the petroleum refiners assessed by Sustainalytics, we observe that only 3% have a strong program to manage non-greenhouse gas emissions.

Despite the shifting timelines, we observe that the market momentum around PAIs is not diminishing, quite the contrary. Investors in the scope of the regulation are using the fourth quarter of this year to get acquainted with PAI data and set up their systems. Most investors we speak with want to be prepared in time to be able to monitor PAIs throughout 2022 and adjust their portfolios to boost their PAIs (or rather limit the downside, as these are adverse impact indicators). This means that PAIs may significantly impact stock selection and portfolio construction by fund managers keen to have ‘good’ PAI scores.