This year has brought stark warnings over the devastating impacts climate change could have. We look at what this means for investing in resources such as food, water and energy.
Pressure on the global food and water system is growing as a result of climate change, and time to address its potentially disastrous consequences is running out.
Fresh warnings on rising global temperature are emerging with increasing frequency. For example, the World Meteorological Organization recently estimated that Earth has an almost 50% likelihood of temporarily crossing the crucial 1.5ºC climate change threshold before 2026.
Meanwhile, the most recent report from the Intergovernmental Panel on Climate Change (IPCC) made it clear that we are already seeing irreversible impacts from climate change. It also highlighted that without significant and immediate action, across all sectors and countries, the consequences are likely to be catastrophic.
The rapid phase-out of coal and methane emissions is needed, so too a massive ramp-up in capital investment in transitioning to a low carbon world, and carbon sequestration and reforestation. Without this action we will see rapidly rising sea levels, more extreme weather events, habitat loss, and worsening shocks to the world’s food supply.
Over 40% of the world’s population is “highly vulnerable” to climate change, according to the IPCC. The global population is expected to exceed 10 billion by 2050, which will require producing 70% more food and water compared to 2010 levels (Source: FAO, USDA, OECD, Our World in Data), and a similar ramp-up in energy consumption.
How we get there, and, specifically, the changes we make in the next decade, will shape the world profoundly.
A key point from the IPCC report is that we need to stop thinking about climate change as an isolated problem that can be solved by just offsetting or lowering carbon emissions. The global environment is inherently interlinked, and wider land usage is a key variable.
Climate modelling assumptions made by the IPCC, and similar organisations, factor in certain land usage, and natural carbon stabilisation from ecosystems like peatlands, forests and the oceans. Natural environmental stabilisers are being destroyed at an alarming rate, and are approaching a tipping point where negative feedback loops will cause these essential natural resources to degrade irreparably.
Food production accounts for 25% of greenhouse gas emissions, 65% of freshwater usage, and 40% of land usage, according to FAO, with food production often happening near to or even using key stabilising ecosystems, such as the ocean or rainforests. The IPCC emphasises that we need company practices to not only minimise the environmental damage they inflict, but actually encourage the recovery of these natural assets.
If the food system adopted certain land use practices it would be hugely beneficial for climate change mitigation. Such practices include intercropping (growing more than one crop in close proximity), using winter cover crops to encourage soils with greater organic content, and increasing organic inputs.
Forestry and biofuels are also increasingly being used to offset or replace carbon emissions from the energy and transport system. Both of these will put further strain on land use and the natural stabilisers if not managed correctly. This highlights the importance of nature-based solutions and technologies that can improve the yield and resource efficiency of how we produce essential things like food and energy.
Changes to the energy transition, food, and water value chains are going to involve a huge reallocation of capital; upwards of $130 trillion over the next 30 years based on BNEF, WRI and UN estimates. Traditionally, this kind of capital shift has catalysed share price performance in companies successfully generating returns from higher capital expenditure.
We see multiple drivers and sources of this capital, and the IPCC report highlights that we need the solutions and drivers of change to be as wide-reaching as the problems we face.
But the solution for investors is not as simple as divestment from certain companies, or taking one or two token positions in “ESG champions”. This is a multi-decade trend that will be widespread and will require an investment perspective that manages the nuances within, and interconnections between, the most influential constituent subsectors of the changing systems.
As investors in both food & water and energy transition themes, we aim to follow a three pillar approach to sustainability:
Another core message of the IPCC report is that we must avoid “maladaptation” that has negative unintended consequences.
Instead, the report advocates policy, and investment, that encourages companies to manage the whole range of stakeholder needs and outcomes, including social justice. The United Nations’ Sustainable Development Goals offer a tangible way of assessing which companies are balancing wider environmental objectives with important social objectives.
The IPCC report offers a timely warning to the perils of inactivity, and makes it clear that we have only seen the very beginning of the change that is required across systems like energy, food, and water. Overall, investment in agriculture and land sectors are going to have to increase by three to six times versus current levels in order for climate change to be effectively mitigated.
Investors, companies, governments and organisations like the IPCC need to ensure that data, capital and regulation are aligned to efficiently drive the changes we need before they become even more burdensome and difficult to make.
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