The Sustainability of Bananas • The Sustainable Dietitian (2024)

The Sustainability of Bananas • The Sustainable Dietitian (1)

Like much of the UK population, bananas are my favourite fruit. They’re packed with potassium, Vitamin B6 and many other vitamins, minerals and phytonutrients. They make a perfect snack to sustain energy levels thanks to a combination of ‘quick’ and ‘slow’ releasing sugars. To meet our desire for this fabulous fruit we import around 5 billion bananas into the UK every year!

Environmental credentials

In terms of sustainability, bananas have a fairly low environmental impact. This is due to their low carbon footprint which is estimated at 0.48 kg CO2e per kilo. If we compare this to UK tomatoes (grown in greenhouses) which are 2.5 kg CO2e per kilo, this seems quite small. Bananas are energy efficient as they use natural sunlight to grow. They also come with their own tough skin which acts as natural packaging. This is favourable compared to soft berries that need plastic packaging to keep them in perfect condition.

The drama

Global plantations are now under serious threat from Panama disease. Major companies such as Fyfes and Del Monte, have become over-reliant on growing just one species known as the Cavendish. This variety is popular because it was (at first) disease resistant, easy to grow, easy to transport and sweet. Global production methods which rely growing only one species (monoculture) can be problematic. Bananas have become a monoculture crop. Planting the same crop in the same place each year drains nutrients from the soil. This is because nutrients are not naturally replenished as with polyculture and crop rotation techniques. As monoculture soils need more fertilisers it keeps the artificial cycle of nutrient depletion and repletion going. Furthermore, when disease strikes all the plants are susceptible and killed off in one go as there is no natural variety to limit the damage. All that’s left is infertile waste land.

Panama disease is now spreading rapidly throughout plantations and threatening the survival of this Cavendish variety. So far it’s spread through Sout- East Asia, China, Australia and Africa. It seems like a ‘no brainer’ but if banana plantations diversified species then one disease wouldn’t have such a disastrous effect.


So what can we do?

It’s tricky as we are at the mercy of what industry provides us! However, if consumers are willing to try new varieties it may encourage producers and suppliers to invest in these crops meaning we will have a more secure supply in the long term.

There are some alternative varieties to the Cavendish such as the ‘Latundan‘ banana (also known as Tundan/Apple Bananas) and these can already be found in some supermarkets.

If you’re working for a food company or retail chain, find ways to identify, sample and try new varieties of banana. Whether this be for new product formulation or simply to be marketed straight to the consumer. This will help our banana supply be more sustainable in the long term.

I offer consultation services to the food industry including: Product Development, Menu Design, Supply Chain Analysis and Sustainability Cooordination. If you would like best-in-class guidance on this or any foods, please get in touch.

Citations

  • How Bad Are Bananas? The Carbon Footprint of Everything (Mike Berners-Lee, 2010)
  • Coop life cycle analysis (2009)
The Sustainability of Bananas • The Sustainable Dietitian (2024)

FAQs

What is the sustainability of bananas? ›

Bananas are energy efficient as they use natural sunlight to grow. They also come with their own tough skin which acts as natural packaging. This is favourable compared to soft berries that need plastic packaging to keep them in perfect condition.

What are three key environmental issues relating to bananas? ›

Major environmental problems arise from the production of bananas for export or from large-scale commercial production of bananas for local markets. These include habitat conversion, soil erosion and degradation, pollution from agrochemical use, solid waste, and water usage.

Is banana eco-friendly? ›

Additionally, banana plants are fast-growing and require minimal water and chemical inputs, making them environmentally friendly compared to resource-intensive crops like cotton. The cultivation and extraction process of banana fiber supports sustainable practices, aligning with the principles of the circular economy.

What are the environmental benefits of bananas? ›

The importance of banana trees in sustainable living is immense. These plants are eco-friendly powerhouses that contribute to soil fertility, water conservation, and carbon sequestration.

How can we make banana production more sustainable? ›

Three key practices were identified by the group after specialist review to address these issues.
  1. Optimising Fertiliser Management to Reduce Runoff Water Nutrification. ...
  2. Developing Practical Ground Cover Management to Reduce Soil Erosion. ...
  3. Improving Integrated Pest Management Systems to Reduce Pesticide Use.

Are bananas grown sustainable? ›

Growing and harvesting bananas is v labor-intensive, often requiring growers to clear land, prop up the banana plants, continually apply pesticides (unless they're organic), and cover the bananas with bags to protect them from the elements. Pesticide use on bananas is a major sustainability concern.

What are the problems facing bananas? ›

This lack of genetic variety makes plants highly susceptible to pests, fungi and diseases, and therefore large quantities of insecticides and other pesticides are applied to the crops. In fact, bananas are sprayed with more pesticides compared to other tropical fruit because of the fruit's thick peel.

What is the threat to bananas? ›

Scientists say a fungal disease is threatening the most common banana found in stores around the U.S. They say we only have about 10 years before a banana crisis. Bananas are among the most grown and eaten fruits worldwide.

Is the banana trade sustainable? ›

For smallholder farmers dependent on growing bananas for a living, challenges abound too – with rising costs of production but stagnation in prices, and the severe impacts of changing climate and weather patterns making production unpredictable and unsustainable.

Are organic bananas sustainable? ›

Environmental Impact: The Sustainable Choice

By avoiding synthetic chemicals, organic farmers help protect soil health, maintain water quality, and preserve biodiversity. Choosing organic bananas can be seen as a vote for sustainable agriculture and a healthier planet.

Are bananas affected by climate change? ›

Aside from growing temperatures, climate change is also helping diseases that threaten banana trees spread more easily, in particular the TR4 fungus. It's been described by the forum as one of the "most aggressive and destructive fungi in the history of agriculture."

What are the pros and cons of bananas? ›

Bananas are a common breakfast food because they are nutritious, filling, and easy to eat. However, since bananas are high in carbs, they may increase blood sugar levels in people with type 2 diabetes. Pairing a banana with a food that's high in protein and fat, such as Greek yogurt, may be more beneficial.

Is 4 bananas a day too much? ›

While there's no blanket rule, sticking to one to two bananas per day shouldn't cause issues for most people. With that said, remember that they are relatively high in carbohydrates, so eating them along with protein or fat is also advisable to support stable energy levels.

How are banana leaves sustainable? ›

Not only are they cheaper than other kinds of disposable cutlery, they are also biodegradable and have less repercussions on the environment. More people have begun to catch onto the benefits of this tradition! For occasions that require disposable plates, you can now consider using banana leaves.

What is the most sustainable fruit? ›

The most sustainable fruit is figs

They grow all year long and act as a source of food for many species, humans included. The resilience of fig trees allows them to thrive even amidst droughts and floods, making them vital in wetter regions where growing food is often difficult.

How is fruit sustainable? ›

Some crops, such as berries and fruit trees, can grow for many years without being replanted, which reduces the need for tilling and other soil-disturbing practices. Healthy soils are fundamental to reducing local impacts from extreme weather like flooding or droughts.

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