2C Warming Will Triple Critical Food Insecurity for 24 Nations by 2026

Food crises could triple for 24 nations by 2026 due to warming, a seven times faster rate than wealthy nations. This means more hunger and health problems.
By Newsroom | Environment, Global Affairs |

Critical Food Insecurity Looms Larger With 2C Warming

Analysis indicates that a world warming by 2 degrees Celsius (2C) significantly elevates the risk of widespread food insecurity, disproportionately impacting low-income nations. These countries are projected to witness their food systems deteriorate at a rate seven times faster than wealthier states. The study, which constructed a 'Food Security Index' across 162 nations, measured vulnerability across four pillars: availability, accessibility, utilisation, and sustainability. Notably, 'sustainability' and 'utilisation' emerged as the most sensitive to climate shifts.

This means that even when food is physically present, factors like compromised water, sanitation, and health systems will lead to malnutrition. 'Climate shocks' in one region are also expected to trigger price volatility across global supply chains, impacting market access and accessibility for many.

Inequality Amplified

The projections suggest that under a 2C warming scenario, the number of countries facing "critical food insecurity" could nearly triple, reaching 24 such states. This expansion of vulnerable nations highlights a stark increase in global disparities.

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"Countries already facing poverty, fragility and limited safety nets are projected to see the fastest deterioration in food systems, despite having contributed the least to global emissions." - Ritu Bharadwaj, researcher for the IIED and author of the study.

While high-income countries may also face substantial agricultural shocks, their economic capacity to purchase food on the global market offers a buffer. Low-income countries, conversely, lack such recourse.

Deeper Analysis

The 'Food Security Index' evaluated scenarios of 1.5C, 2C, and 4C warming. The analysis reveals that the most rapid deterioration under a 2C scenario occurs in poorer states, signalling broad global ripple effects that even affluent nations may find difficult to escape entirely. The sensitivity of 'sustainability' and 'utilisation' suggests that early signs of climate damage will manifest in essential services, such as water and sanitation, directly impacting public health and dietary intake.

This research draws on an 'IIED analysis' published around March 23-26, 2026. The study's findings underscore the interconnectedness of global food systems and the uneven distribution of climate change impacts.

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Frequently Asked Questions

Q: How will 2C warming affect food security by March 2026?
A 2C warmer world could see critical food insecurity triple to 24 nations by March 2026. Low-income countries will be hit seven times harder and faster than wealthy ones.
Q: Why will low-income countries suffer more from food insecurity?
These countries have weaker food systems and fewer resources. They are less able to handle climate shocks, leading to malnutrition even when food is available.
Q: What does 'critical food insecurity' mean?
It means countries face severe problems with having enough food, accessing it, using it properly (leading to malnutrition), and keeping food systems working long-term.
Q: How does climate change impact food availability and access?
Climate shocks can disrupt food supplies and cause prices to jump globally. This makes it harder for many people, especially in poorer nations, to buy the food they need.
Q: Which parts of food security are most sensitive to climate change?
The study shows that 'sustainability' (keeping food systems running) and 'utilisation' (using food for good health) are most sensitive to climate change.
Q: Will rich countries also face food problems?
Yes, rich countries may face agricultural shocks too. However, they have more money to buy food from other places, which acts as a safety net that poorer countries do not have.