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The views expressed are those of the authors at the time of writing. Other teams may hold different views and make different investment decisions. The value of your investment may become worth more or less than at the time of original investment. While any third-party data used is considered reliable, its accuracy is not guaranteed. For professional, institutional, or accredited investors only.
As well as investing in solutions that help to mitigate climate change (through reducing or avoiding greenhouse gas emissions), we see a major role for impact investment in solutions that help bolster resilience against growing climate uncertainty and volatility. The research we undertake with our climate science partners at Woodwell Climate Research Center shows how urgent adapting to climate change has become, with adverse climate events already increasing in frequency and intensity. Impact investors can help direct much-needed capital to the most exposed communities and regions and tap into the attractive impact and return potential associated with the expanding range of investment opportunities in climate resilience.
Impact measurement is a vital part of the investment process for impact funds. It aims to use both qualitative and quantitative data to track whether a portfolio and its underlying investments are having the intended net positive effect on people and/or planet. However, measuring the impact of climate resilience solutions remains a real challenge for us and the wider industry. Below we share our latest perspectives on how to tackle this challenge, using the more established measurement of climate mitigation as a reference point. Based on our observations, we outline approaches that we think may help investors deal with some of the inherent conceptual and methodological difficulties of measuring impact in this critical field.
Articulating the impact case for a resilience solution and measuring, monitoring and verifying the results means overcoming several hurdles. Figure 1 lists key hurdles and differences with the more familiar terrain of climate mitigation. Some of the most important ones are:
With these difficulties in mind, what are the main points that investors need to consider when measuring the impact of climate resilience solutions?
Investors need to create a detailed picture of the anticipated impact of climate change and the local vulnerabilities. Guiding questions that can help achieve those goals include:
Investors need to clearly explain how the product or service offered by the company will contribute to reducing vulnerability/strengthening resilience and articulate the underlying assumptions on how change might happen. Examples include assessing:
It is also imperative to revisit these hypotheses and assumptions regularly to account for uncertain climate projections and socioeconomic changes.
The indicators chosen to measure impact should plausibly demonstrate the contribution of the solution to climate resilience bearing in mind the relevant context. It is essential to make the most of the available data — even if it doesn’t capture the entire story.
Context: Increased frequency of extreme weather is leading to a higher risk of power outages and an increased need for backup power supply in the home. For example, around 83% of reported major power outages in the US have been linked to weather-related events.1 When looking at solutions that increase household resilience to power outages such as backup, flexible or renewable power, the ultimate climate resilience benefit relates to a decrease in vulnerability to power outages. This is a narrow measure that is difficult to capture in one number, as it is dependent on hard-to-predict factors such as the likely number of weather-related events or people’s future behaviour. Using a simple output-related metric such as the number of units sold, or number of households served, supported by detailed research linking these metrics to better climate resilience is an imperfect, yet practical solution.
Not all companies publish the necessary data to demonstrate the impact that their products or services have on climate resilience. Speaking directly to company management, sustainability, or investor relations teams to highlight the importance of this disclosure is crucial.
Context: Many companies are more used to disclosing environmental data on their own operations products and services on the end consumer. Actively engaging with companies to highlight the importance of climate resilience metrics (or the necessary proxies to calculate them) may help to encourage more detailed disclosure in the future.
Solutions that increase climate resilience are interdependent on various environmental and socioeconomic factors, which are difficult to control. Success is not guaranteed if implemented in isolation. Hence the importance of also looking at a wide range of data, which, while not attributable to the project in isolation, can still have a bearing on its success.
Context: When looking at a solution that aims to help increase the yield of a certain crop by making the growing process more resistant to extreme weather, we would also consider factors affecting the overall food supply chain in the relevant region as an additional lens. We can use this data to assess the significance of this particular solution in a wider, regional context.
In combination, we think these guidelines serve as useful considerations for investors looking to measure the impact of investments in climate resilience. In our view, the inherent methodological challenges and the complex objectives of resilience measurement mean that any approach must be flexible enough to work with often imperfect and limited data sets.
The challenge of measuring the impact of climate resilience should, in our view, not limit investment in this area. At COP27 in 2022, the UN Secretary General called for urgent action, highlighting that the funding available to support climate resilience is small compared to the $340bn estimated annual need in developing countries alone. As part of a global ecosystem that includes policymakers, companies and individuals, impact investors can generate attractive returns while playing an important role in filling this climate resilience funding gap.
Other sources: UDP_Perspectives-Adaptation-Metrics-WEB.pdf (iclei.org) | GIZ-2013_Adaptation_made_to_measure_second_edition.pdf (adaptationcommunity.net) | Adaptation Monitoring and Assessment Tool (AMAT) | CAKE: Climate Adaptation Knowledge Exchange (cakex.org).
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