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June 9, 2022

Biodiversity loss: the other systemic crisis

Janus Henderson tell us why they believe that the Biodiversity crisis is just as much a concern as the Climate crisis.

Janus Henderson’s Adrienn Sarandi, Head of ESG Strategy & Development, and Bhaskar Sastry, ESG Content Manager, believe that biodiversity loss is a crisis that could have systemic impacts akin to climate change. Janus Henderson have provided this content to The Big Exchange and have 4 funds rated on The Big Exchange and you can read their full report here.

Biodiversity loss is a subject that rarely captures the public’s attention, bar the occasional nature documentary or headline. Yet, the unprecedented rate of species loss is a systemic crisis that will impact every area of our lives. 

Why is biodiversity so important?  

Biodiversity is now declining faster than at any time in history1 with up to a million species facing extinction within decades2. Indeed, population sizes of mammals, birds, fish, amphibians and reptiles have already fallen almost 70% since 19703.

Nature’s services underpin our very survival and global economic activity, thus directly influencing wealth creation and preservation. The value of biodiversity and ecosystems to our physical and mental wellbeing is inestimable. Yet, natural capital also provides critical ‘ecosystem services’ that provide us with huge economic benefits.

Nature’s services

Source: Janus Henderson Investors, 2022.

The total economic value that nature provides is estimated to be between a staggering US$125 and $140 trillion per year4, which is more than 1.5 times global GDP5. More than half of the world’s total GDP, or US$44 trillion, involves activities that are moderately or highly dependent on nature, according to the World Economic Forum6

Biodiversity loss along with deforestation also exacerbate the systemic threat of climate change. Climate change, in turn, is acting to worsen biodiversity loss. Diverse ecosystems with healthy biodiversity are essential for climate change adaptation and mitigation, increasing resilience to future climate impacts. Biodiversity loss also increases the likelihood of the emergence of diseases that can pass from animals to humans, like COVID-19.

Global action to tackle the biodiversity crisis has been slow but will be given added impetus at the UN Biodiversity Conference (COP15) expected to take place in August 2022. COP15 will bring nations together with the aim of galvanising efforts to protect critical habitats, improve water quality, control invasive species and safeguard connectivity. Alongside the publication of the beta Taskforce for Nature-related Financial Disclosures (TNFD) framework in March 2022, which aims to align corporate reporting and investment to address nature-related risks, the next few months could be critical in efforts to reduce biodiversity loss. 

Investor implications 

We believe that investors (like a portfolio manager) must accept that biodiversity loss and ecosystem damage represent significant and financially material risks to their portfolios.

The University of Cambridge Institute for Sustainability Leadership (CISL, 2021) has divided nature-related financial risks into three categories, which investors should evaluate:

  • Physical risks resulting from the degradation of ecosystem services by economic activity, for example, air quality, water security and food provision. 
  • Transition risks arising from shifting policy, legal, technology and consumer/market dynamics. 
  • Liability risks associated with emerging legal cases related to loss or damage from environmental change, including pay-outs, fines, insurance costs and reputational costs.

The focus should be on institutions and sectors whose operations have the greatest detrimental impact on natural capital. The World Economic Forum (2020) finds that three systems are responsible for endangering 80% of threatened or near threatened species7

  • Food, land and ocean use 
  • Infrastructure and the built environment 
  • Energy and extractives

Portfolio managers should identify those companies that acknowledge their impact and dependence on nature, particularly agriculture and food. Portfolio managers can also use engagement to pressure companies to align with commonly agreed nature-based goals and disclose nature-related risks where possible. 

Implicit in all approaches is that investors should be guided by a systems-thinking mindset. The climate and biodiversity crises show that nature – on which our survival depends – works as an interconnected, dynamic system with feedback loops. The economic and societal impacts of investors’ decisions are not narrow, short term and linear, but wide-ranging, long term and highly unpredictable. We believe investors must accept this paradigm if they are to contribute to solutions around biodiversity loss and ecosystem damage.




1 The Economics of Biodiversity: The Dasgupta Review (UK Government, 2021) 

2 The Global Assessment Report on Biodiversity and Ecosystem Services (Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), 2019) 

3 Living Planet Report’ (WWF, 2020)

4, 5 (2020) 

6 Nature Risk Rising: Why the Crisis Engulfing Nature Matters for Business and the Economy (WEF, 2020)

7 The Future of Nature And Business (World Economic Forum, 2020)


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