How El Niño could change the world | The Global Story

Overview

Scientists warn that a potentially “super El Niño” could be developing, citing record-breaking ocean and air temperature readings across the Pacific and unusually large climate “anomalies” that can quickly shift conditions.

The discussion explains El Niño as part of the El Niño–Southern Oscillation (ENSO), a natural cycle in which weakened trade winds allow unusually warm Pacific water to spread eastward. This alters global rainfall patterns, storm tracks, and temperatures.

While El Niño events typically recur every 2–7 years, the most important factor is not just how often they occur—it’s their strength and downstream effects, which vary widely from event to event.

Why this El Niño may be unusually strong

The argument is that three forces may combine:

1. ENSO “whiplash” effects between El Niño and its opposite phase (La Niña), where heat buildup can be released quickly.
2. Human-driven ocean warming, since added heat in warmer oceans can amplify extremes.
3. Natural cycling, though current measurements appear to show anomalies larger than the historical baseline researchers had available.

The presenter also emphasizes that El Niño is not the only driver of impacts: broader global climate disruptions can compound its effects, potentially making shocks like droughts and floods more severe or differently distributed than in past events.

Where and how it can hit

A strong El Niño is commonly associated with:

• Hotter, drier conditions in parts of South America, Southeast Asia, and Australia, increasing wildfire and drought risk
• Weaker Indian monsoon rains
• Rainfall impacts in the Horn of Africa

However, impacts are described as uneven, “like shifting pieces of a jigsaw,” meaning not every region responds the same way.

Historical perspective: El Niño and major world events

The historian links El Niño–related extremes to broader historical outcomes—arguing that unusual weather can contribute through food and water stress, crop failures, disease, and social unrest.

Examples cited

• Religious framing of flood/punishment narratives Unusual rainfall and flooding appear in long-standing cultural explanations across major religions.

• 1780s climate extremes, connected to:

  • Colonizers arriving in Australia (initially thought too wet, then becoming extremely hot)
  • Famines and mass mortality, including:
    • Mahhata famine (southern Africa) killing millions
    • “Skull famine” in India (associated with famine deaths)
    • High grain prices in France, tied to unrest that feeds into the French Revolution

• Late 1800s / early 1900s An El Niño–era pattern is linked to Indian famines, alongside critiques of British colonial policy (including Dadabhai Naoroji’s “drain theory”), arguing famine response wasn’t purely “natural” but worsened by economic structures.

• Early 1970s Soviet grain crisis An El Niño–linked production failure illustrates geopolitical vulnerability: grain shortfalls forced heavy purchasing from the United States, contributing to the episode dubbed the “great grain robbery”, and later shaping Cold War perceptions and policy.

Core takeaway

Overall, the argument is that El Niño is not a single-cause explanation. Outcomes depend heavily on societies’ resilience, governance, and ability to respond.

What people should take from it (not just doom)

The historian urges preparedness at both government and household levels, framing it as systemic resilience to overlapping shocks such as:

• food prices
• inflation
• fuel/fertilizer problems
• broader economic stress

When multiple crises stack, smaller disturbances can “knock you over,” so strong El Niño functions as a multiplier, not an isolated event.

The episode also discusses political effects: crises can drive faster, more centralized decision-making, sometimes reinforcing autocratic tendencies, thereby shifting power dynamics. It notes that blame during disasters often falls on leaders, but impacts are not distributed equally—some countries (e.g., China, in the example given) may have more buffers for food security than others. Meanwhile, major European/US cities are described as lacking comparable stockpiles.

Do people historically recognize El Niño?

The guest argues that people in the past often noticed unusual weather even without modern forecasting. They point to:

• Thomas Jefferson, who took frequent temperature and wind readings for decades
• Historical awareness of climate disruption from major events like the 1815 Tambora eruption, which caused harsh weather and influenced cultural events (including darker rainy-season storytelling associated with Frankenstein)

Concluding takeaway

History is framed as a “dress rehearsal”: past patterns don’t guarantee identical outcomes, but they provide warning signs and lessons about preparation, adaptation, and societal vulnerability.

Presenters or contributors

• Asma Mahalid (host/interviewer)
• Peter Frankopan (Professor of Global History, University of Oxford)