Coconut milk vs Almond milk: Carbon Footprint Compared

Overview

When choosing the most sustainable plant-based dairy alternative, the debate often settles on coconut milk vs almond milk. Both are popular vegan staples, yet they impact the planet in vastly different ways. While dairy milk remains the most carbon-intensive option, choosing between these two plant milks requires looking beyond just greenhouse gas emissions to include water scarcity and land use.

In this guide, we break down the environmental data to see which of these creamy alternatives leaves a smaller footprint on our Earth.

The Numbers

When we look strictly at greenhouse gas emissions, almond milk generally has a lower carbon footprint per liter than coconut milk. However, the margin is narrow compared to the massive footprint of cow's milk.

While almond milk wins on carbon emissions (approximately 0.39kg CO2e per kg), it is notoriously water-intensive. Coconut milk emits slightly more carbon (0.49kg CO2e per kg) because of the logistics involved in transporting coconuts from tropical regions to global markets, but it performs significantly better in terms of water conservation.

Why the Difference in Coconut Milk vs Almond Milk?

The environmental profile of these two milks is driven by where they grow and how they are processed.

The Problem with Almonds: Water

The primary concern for almond milk isn't its carbon footprint—which is quite low—but its water footprint. Approximately 80% of the world's almonds are grown in California, a region prone to severe droughts. Growing a single almond requires about 12 liters of water. This puts immense pressure on local aquifers and ecosystems compared to many other crops.

The Problem with Coconuts: Transport and Land Ethics

Coconut trees are generally grown in tropical climates like Southeast Asia (Indonesia, Philippines, Thailand). Because they are often grown in areas that were once rainforests, there are concerns regarding biodiversity loss, though coconuts typically require less fertilizer and pesticide than other industrial crops. The slightly higher carbon footprint for coconut milk is largely attributed to the "food miles" and shipping requirements to keep products shelf-stable or refrigerated over long distances.

Sustainability Considerations

When analyzing coconut milk vs almond milk, it is also important to consider:

1. Pollinator Health: Almond monocultures require the transport of billions of bees for pollination, which has been linked to high bee mortality rates due to pesticide exposure and stress.
2. Labor Practices: The coconut industry has faced scrutiny regarding fair wages for farmers and, in some specific regions, the use of animal labor (pigtail macaques) for harvesting. Ethical sourcing labels are vital here.

What You Can Do

If your primary goal is to minimize your carbon footprint, both almond and coconut milk are excellent choices compared to dairy. However, to be a more conscious consumer, consider these steps:

• Look for Certifications: Buy Fair Trade or Organic certified coconut milk to ensure better labor practices and lower chemical runoff.
• Check the Origin: If you live in North America, almonds grown in California have fewer transport emissions than coconuts from Indonesia, but the water trade-off remains.
• Diversify Your Milk: Don't stick to just one. Rotating between oat, soy, almond, and coconut milk can reduce the concentrated demand on any single ecosystem.
• Consider Oat or Soy: If you want the best of both worlds (low water use and low carbon), oat milk and soy milk often outperform both almond and coconut in comprehensive sustainability metrics.

To see how your grocery list stacks up against global averages, use our carbon calculator to estimate your own footprint.