Apples vs Oranges: Which Fruit Has a Lower Carbon Footprint?

Overview

When it comes to low-carbon eating, fresh fruit is almost always a winning choice compared to animal products or processed snacks. However, not all fruits are created equal. Both apples and oranges are dietary staples globally, but they have distinct environmental profiles shaped by how they are grown, stored, and transported.

At first glance, these two fruits might seem interchangeable in terms of impact. They both grow on trees (perennial crops), which generally sequester more carbon than annual crops like wheat. However, the energy requirements for irrigation, the temperature sensitivity of the trees, and the post-harvest refrigeration needs create a measurable difference in their carbon footprints.

The Numbers

According to data derived from the comprehensive Poore & Nemecek (2018) study and updated environmental impact databases, here is how a kilogram of these fruits compares:

• Apples: Approximately 0.43 kg CO2e per kg.
• Oranges: Approximately 0.30 kg CO2e per kg.

While both figures are remarkably low—roughly 100 times lower than beef—oranges consistently outperform apples by about 30%. In practical terms, eating an orange every day for a year results in roughly 11 kg of CO2e, whereas an apple a day results in about 16 kg of CO2e. To put that in perspective, the difference is roughly equivalent to driving a gasoline car for 20 kilometers.

Why the Difference?

The disparity between apples and oranges stems from three primary factors: storage, climate requirements, and waste processing.

1. Cold Storage Energy

Apples are a seasonal crop harvested in the autumn, but they are sold year-round. To make this possible, apples are often kept in "Controlled Atmosphere" (CA) storage. These are giant refrigeration units that manage oxygen and CO2 levels to put the fruit "to sleep." This process requires significant electricity for months on end. Oranges, while also stored, often have staggered harvest seasons across different climates (like Florida, California, and Brazil), reducing the average time spent in energy-intensive long-term storage.

2. Fertilizer and Irrigation

Oranges are typically grown in warmer, more humid climates where sunlight is abundant. While they require consistent irrigation, the "input efficiency"—the amount of fruit produced per unit of nitrogen fertilizer—tends to be slightly higher for citrus in optimal conditions compared to many commercial apple orchards. Nitrous oxide emissions from fertilizer application are a major component of a fruit's "at-farm" footprint.

3. Transportation vs. Production

For both fruits, the biggest spike in emissions occurs if they are transported via air freight. However, the vast majority of apples and oranges are transported by sea or truck. Because oranges are more calorie-dense and have a naturally thick, protective peel, they often suffer less "shrinkage" (waste) during bulk transport than more delicate apple varieties, which can bruise easily and lead to methane emissions in landfills.

What You Can Do

Reducing your dietary carbon footprint doesn't mean giving up apples. Instead, focus on these high-impact habits:

• Eat Seasonally: Buy apples in the autumn and winter when they haven't been in storage for six months. In the spring and summer, look for citrus or stone fruits that are currently in harvest.
• Avoid Air-Freight: Check the country of origin. If you live in the UK and buy "fresh" berries or apples from New Zealand in the middle of spring, they may have been air-freighted, which increases the footprint by up to 50 times.
• Minimize Food Waste: The carbon footprint of an apple is "wasted" the moment it goes into the bin. Use bruised apples for sauce or smoothies.
• Buy Local (When Possible): While transport isn't the biggest factor, buying from a local orchard eliminates the need for long-haul trucking and industrial refrigeration.

Curious about how your grocery list stacks up against your commute or your home energy use? Use our Carbon Footprint Calculator to get a clear picture of your personal impact.