JPMorgan warns of 'climate black swan' risks as investors begin to calculate asset impacts

JPMorgan warns of 'climate black swan' risks as investors begin to calculate asset impacts.

Institutional investors are trying to figure out the impact on their portfolios if rising temperatures trigger what JPMorgan Chase & Co. calls "climate black swan risks." Investors including Allianz Global Investors and Standard Life Plc said they were taking the scenario increasingly seriously.

“This is something we really need to think hard about,” said Hetal Patel, director of sustainable investing research at Standard Life, which plans to start studying risk management around climate tipping points next year.

This includes conducting simulation analysis of its 317 billion pound ($425 billion) investment portfolio to assess the possible impact on various types of assets. Any investor who has not yet seriously considered such risks will be "truly out of the mainstream" by mid-2028, Patel said.

Climate tipping points are critical thresholds in Earth's interconnected natural systems, including the atmosphere, land, oceans and ice.

JPMorgan's use of the "black swan" metaphor reflects the fact that while such events are often viewed as tail risks, any single tipping point breached could have "extremely serious consequences." Antoine Poincaré, director of the Apave Climate School, said that, simply put, climate tipping points are "the scariest part of climate change." The organization specializes in providing climate risk management training to business executives.

Climate tipping points have long been viewed as an extreme scenario, but are now starting to be incorporated into portfolio analysis and even influence the development of financial regulatory rules. The shift comes at a time when global temperatures are rising at a dangerous rate.

As early as 2024, global temperatures briefly exceeded the key global warming threshold of 1.5 degrees Celsius for the first time. On the current trajectory, temperatures could rise nearly twice that this century, which scientists call a catastrophic path.

“Funds are asking very pragmatic questions about what climate tipping points mean for portfolios over a real decision-making cycle, when markets might reprice, where exposures are concentrated, and how to plan for a time when the science is uncertain but consequences could suddenly emerge,” said Sarah Kapnick, head of global climate consulting at JPMorgan Chase and former chief scientist at the National Oceanic and Atmospheric Administration.

Kapnick said her analysis so far shows that the bond market will be one of the first areas to be hit by price shocks, after less liquid real assets. She added that investors should regularly update their tail risk analysis to take into account the latest scientific research.

However, for banks, which is challenging due to the nature of their business decision-making cycles, long-term mortgage portfolios are a "noteworthy" exposure.

Kapnick said that while this year's heat wave itself does not constitute a tipping point, it does herald a "higher temperature baseline." "When change starts to accelerate, systems can be pushed to breaking point faster than society and markets can adapt," she said.

She said investors "if they wait too long to start adapting to changes, they may ultimately not have enough time to respond effectively." For institutional investors with long-term investment horizons like Standard Life, the current question is "how to protect asset value" from such risks, said Patel.

Scientists have identified more than a dozen climate tipping points that, if exceeded, could trigger sudden, dangerous, and irreversible damage. Once these thresholds are crossed, it may take years or even decades for the effects to become fully apparent, but by then they are irreversible.

Case in point include the mass die-off of coral reefs, the degradation of the Amazon rainforest into savanna, and the irreversible melting of the Greenland ice sheet.

In October last year, researchers at the University of Exeter said the world was facing a "new reality" after a "widespread die-off" of warm-water coral reefs, believed to be the first climate tipping point to have been reached. One tipping point of particular concern in the Nordic region is Meridional Overturning Circulation (AMOC).

This system of interconnected ocean currents is responsible for transporting warm equatorial currents to northwestern Europe, where winter temperatures are relatively mild. Once the AMOC collapses, today's familiar weather patterns will be completely disrupted. The consequences could include significantly cooler winters in the UK.

The latest models show that the extreme cold wave may bring the temperature in London to minus 20 degrees Celsius, and Arctic sea ice may even expand southward to East Anglia, where the University of Cambridge is located.

At the same time, global warming is still expected to drive hotter and drier summers, exacerbating the risk of water shortages and causing far-reaching impacts on key industries such as agriculture.

Tim Lenton, a climate scientist at the University of Exeter known for his research on tipping points, said investors' views on the issue had changed in recent years. "It may take some time for the risks to fully materialize," Lenton said.

“But if this change has already begun and is irreversible, then you may choose to reprice now and bring the future into the present.”

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