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Jimmy van der Linden

Founder VegMeUp | Updated January 2025

Which Milk Alternative Is Best for the Environment?

Milk alternatives are gaining popularity for their health benefits, dietary flexibility, and lower environmental impact. But with options like almond, oat, soy, and coconut milk, how do you choose the most eco-friendly option? 

This guide explores the environmental impact of popular plant-based milks, helping you make informed, sustainable choices that align with your lifestyle and values.

 

Why Choose a Milk Alternative for the Environment?

Dairy milk has been a household staple for centuries, but its environmental footprint raises serious concerns. Producing dairy milk contributes to:

High Greenhouse Gas Emissions 

Livestock farming is a significant contributor to greenhouse gas emissions, particularly methane—a gas with a global warming potential far greater than carbon dioxide. These emissions result from processes like enteric fermentation in cattle and manure management, making dairy production a major driver of climate change and environmental degradation.

Water Overuse 

Producing dairy milk is incredibly water-intensive, with over 600 litres required to produce just one litre of milk (source). This heavy water usage places immense strain on freshwater resources, especially in drought-prone regions, leaving less water available for ecosystems, agriculture, and communities reliant on already limited supplies.

Deforestation and Land Use 

Dairy farming contributes to deforestation as land is cleared for grazing cattle or growing feed crops like soy and corn. This practice destroys habitats, reduces biodiversity, and accelerates soil erosion, further exacerbating environmental issues. The demand for dairy also intensifies global land degradation, impacting ecosystems and local communities.

Milk alternatives offer a more sustainable option, using fewer natural resources and helping to reduce the environmental toll of traditional dairy farming. Whether you’re switching for ethical reasons or to lessen your environmental impact, plant-based milks provide a range of benefits.

 

What Are the Environmental Impacts of Popular Milk Alternatives?

Each plant-based milk option has its own environmental pros and cons. Let’s examine the most common ones:

Almond Milk

  • Benefits: Almond milk is low in carbon emissions and a popular choice for its mild flavour and versatility.
  • Challenges: Almond production is water-intensive, requiring around 371 litres of water to produce one glass. Since most almonds are grown in California, a drought-prone region, this can strain local water supplies.

Oat Milk

  • Benefits: Oat milk is a sustainability frontrunner, using minimal water and land compared to other options. Its production often involves crop rotation, benefiting soil health.
  • Challenges: Transporting oat milk over long distances can add to its carbon footprint if it’s not locally sourced.

Soy Milk

  • Benefits: Soy milk is one of the most water- and land-efficient options. It has been a trusted milk alternative for decades.
  • Challenges: In some regions, soy farming contributes to deforestation, particularly in South America. Look for soy milk brands that prioritise sustainable sourcing.

Coconut Milk

  • Benefits: Coconut milk has a low water and land footprint. Coconut trees thrive in less fertile areas, making them efficient to grow.
  • Challenges: Ethical concerns surround the harvesting of coconuts, including labour exploitation. Additionally, most coconut milk travels long distances, increasing its carbon footprint.

Milk Alternatives and impact on the environment

Comparison Table

Milk Alternative
Water Use
Carbon Footprint
Land Use
Almond Milk High Low Moderate
Oat Milk Low Low Low
Soy Milk Moderate Moderate Moderate
Coconut Milk Low Moderate Low

 

Which Milk Alternative Is Best for Your Lifestyle?

The “best” milk alternative depends on your priorities. Consider these factors:

Minimising Water Usage: 

Oat and coconut milk are excellent choices if you’re aiming to conserve water. Both options require significantly less water than almond or dairy milk, reducing strain on resources.

Reducing Carbon Emissions: 

Oat milk and almond milk are among the lowest in carbon emissions, making them great options for eco-conscious individuals prioritising greenhouse gas reductions in their daily choices.

Ethical Concerns: 

Choose sustainably sourced soy or coconut milk to ensure fair farming practices and responsible production. Ethical sourcing helps support local farmers and avoids exploitative practices in global supply chains.

Local Sourcing: 

Opting for milk alternatives produced nearby helps lower transport emissions while supporting regional economies. Local options are often fresher and may use fewer resources in their production process.

Looking to try a variety of plant-based milks? Visit our Shop for sustainable options to suit every preference.

 

How Can You Make More Sustainable Choices with Milk Alternatives?

No matter which milk alternative you choose, small changes can make a big difference:

  1. Buy Organic: Organic farming reduces pesticide use, improving soil and water health.
  2. Choose Minimal Packaging: Opt for brands using recyclable or eco-friendly packaging.
  3. Make Your Own: Homemade milk alternatives reduce packaging waste and allow you to control ingredients.
  4. Consume Mindfully: Use milk alternatives in moderation to reduce overall resource consumption.

Need ideas for incorporating plant-based milks into your meals? Check out our Recipes for inspiration.

 

FAQs About Sustainable Milk Alternatives

Is plant-based milk always better for the environment than dairy milk?

Yes, most plant-based milks have a smaller environmental footprint, particularly in terms of water use and emissions.

Which plant-based milk has the least water usage?

Oat and coconut milk are top choices for water efficiency.

Are there sustainable options for people with nut allergies?

Absolutely! Oat and soy milks are nut-free and widely available, offering sustainable alternatives for those avoiding nut-based options.

 

Explore the Most Eco-Friendly Milk Options Available!

When deciding which milk alternative is best for the environment, oat milk often leads the pack due to its low water use, minimal land requirements, and low carbon emissions. However, the right choice depends on your priorities—whether it’s ethical sourcing, reducing water usage, or buying locally.

Ready to make sustainable choices? Browse our Shop for milk alternatives that match your needs, or explore our Menu to discover plant-based meal ideas. Got questions? Connect with us through our Contact page—we’re here to help!

With Love,

Jimmy