eating grasshopper with chopstick

As we grapple with the enormous challenge of climate change, it’s empowering to recognize that each one of us has the capacity to effect change through subtle shifts in our everyday behaviors. Of these, our dietary choices present a remarkable opportunity for transformation. By becoming advocates in this crucial movement, we can spearhead a pioneering solution – the emerging domain of insect protein. Although unexpected for some, this path is laden with potential in our quest for sustainability. Through adopting this novel dietary paradigm, we are not only opening ourselves up to a novel culinary adventure but also actively contributing to reducing our carbon footprint. Together, let’s embark on this compelling voyage towards sustainability, bolstered by the currents of culinary innovation.

The Environmental Footprint of Our Diets

Before we dive into the world of insect protein, it’s essential to understand the relationship between our diets and environmental footprint.

The Heavy Environmental Price of Traditional Protein Sources

When we think of protein, images of succulent steaks, juicy chicken, or savory pork might be the first to come to mind. The taste and nutritional value of these animal proteins are undeniable. They’re packed with essential amino acids, vitamins, and minerals that our bodies need. However, the environmental costs of producing these traditional protein sources are alarmingly high and contribute significantly to climate change.

The food choices we make, the way we eat, and the world’s food production systems have an enormous impact on the climate and environment, with food production contributing over 37 percent of the world’s greenhouse gas emissions.

Let’s examine the environmental footprint of these traditional sources of protein in greater detail.

Deforestation and Land Usage

One of the key environmental impacts of livestock farming is deforestation. Three-quarters of worldwide deforestation is driven by agriculture. Beef production is responsible for 41% of deforestation; palm oil and soybeans account for another 18%; Expansive tracts of forests are cleared to create grazing land for animals or to cultivate crops for animal feed. This mass deforestation not only contributes to the extinction of numerous species but also results in a significant loss of carbon sinks, thus exacerbating global warming.

Water Usage

Water is another precious resource heavily exploited in traditional protein production. It takes an astounding 15,415 liters of water to produce just one kilogram of beef. This excessive water usage stems from the water consumed by the animals themselves and the water used to grow their feed.

Greenhouse Gas Emissions

Greenhouse gas emissions are another major concern. Livestock farming produces vast amounts of methane, a greenhouse gas 25 times more potent than carbon dioxide over a hundred years.

The United Nations’ Food and Agriculture Organization report “Livestock’s Long Shadow” states that the livestock sector is responsible for 18% of greenhouse gas emissions measured in CO2 equivalent. That is a higher share than transport.

environmental footprint of edible insects

The Need for Sustainable Alternatives

Indeed, given the substantial environmental cost of traditional animal protein sources, it’s vital that we shift towards more sustainable  diets. This doesn’t mean we need to eradicate meat from our diets entirely, but incorporating other sources of protein can make a massive difference.

Plant-based proteins, such as lentils, beans, chickpeas, quinoa, and nuts, have been hailed for their high protein content and lower environmental impact compared to animal-based protein. They require less land, water, and emit fewer greenhouse gases during production. Adopting a plant-forward diet has been recognized as a healthy and more sustainable choice.

However, while plant-based proteins are a step in the right direction, they may not fully replace the nutritional value and culinary versatility of animal protein. Moreover, some of these plant-based crops can still require significant resources and may contribute to soil depletion if not managed sustainably.

That’s where insect protein enters the scene, carving out a niche as an innovative and sustainable protein source.

Insects, as a protein source, might initially cause a few raised eyebrows, but they’ve been part of the human diet for centuries in many cultures. Approximately 2 billion people worldwide already consume insects as part of their diet. They offer an incredible opportunity to reconcile our nutritional needs with the health of our planet.

Why? Because farming insects for protein requires significantly fewer resources than traditional livestock. It presents a powerful solution to the environmental challenges posed by meat production.

But insect protein doesn’t only shine in terms of sustainability. It also boasts an impressive nutritional profile. Insects are not just rich in protein; they’re packed with essential amino acids, vitamins, and minerals like iron and zinc. They can provide healthy fats and fiber too. These little creatures could be key players in the battle against malnutrition and food insecurity.

Insect farming is gaining traction, with a growing number of businesses and consumers recognizing the potential of insect protein. It’s a fascinating journey, driven by innovative entrepreneurs, daring chefs, and conscious consumers who are open to trying something new for the sake of our planet.

Now, let’s delve deeper into how insect protein is contributing to reducing our carbon footprint, and why it’s shaping up to be a game-changer in the world of sustainable food.

The Low Environmental Impact of Insect Protein

Insect farming’s minimal environmental impact makes it a promising solution in our quest for sustainability. Let’s delve into why insects are such a resource-efficient food source.

Land and Water Usage

In contrast to traditional livestock, insects require significantly less land. A 2022 study suggests that incorporating insects into European diets could reduce water and land use by more than 80%.

Similarly, the water footprint of insects is exceptionally low. The same amount of water that would yield 1 kg of beef, for instance, can produce several hundred kilograms of insect biomass.

conversion rates for animal food
Amount of land, feed and water needed to produce 1 kg of live animal weight and percent of the animal which is edible. (Source:

Lower Greenhouse Gas Emissions

Insects also produce fewer greenhouse gases. According to the Food and Agriculture Organization of the United Nations, insects emit 1% of the greenhouse gases that cows produce. This reduction in emissions is essential in the battle against global warming.

The High Nutritional Value of Insects

Insects are not merely an eco-friendly protein source; they’re also nutritionally robust and provide plenty of health benefits.

Protein Powerhouse

Insects are rich in protein. Crickets, for example, consist of up to 65% protein, making them a fantastic source of this vital nutrient.

Packed with Vitamins and Minerals

But insects don’t stop at protein. They also provide a wealth of other nutrients. Many insect species are high in iron, a mineral often lacking in people’s diets worldwide. They also contain essential vitamins such as B12, crucial for nerve function and the production of red blood cells.

Healthy Fats and Fiber

Insects like mealworms provide healthy fats, including omega-3 fatty acids, which are essential for heart and brain health. Plus, insects contain fiber, derived from their exoskeletons, something not found in traditional meat products.

The Potential for Large Scale Adoption

The advantages of insect protein aren’t confined to nutrition and environmental factors. They also show promise in terms of scalability and waste reduction.


Insect farming is highly scalable. Insects have a high reproduction rate and short life cycles, which allows for continuous, rapid production. Insects can be farmed in both rural and urban environments, in small or large spaces, making it accessible to various demographics.

Cost-Effectiveness and Waste Reduction

Insect farming is cost-effective, with low feed costs and potential for high yield. Insects can be fed organic waste, like food scraps, contributing to a circular food system. Additionally, nearly 100% of the insect can be used, reducing waste.

Reducing Transportation Emissions

As insect farming can occur in urban settings, it reduces the need for long-distance transportation of food. This reduction in transportation contributes to a lower carbon footprint.

In summary, insect protein offers a host of benefits that make it an exciting and viable candidate for a more sustainable and nutritious future of food.

Overcoming the ‘Yuck Factor’ – Normalizing Insect Consumption

woman hesitating to eat bug

Despite the compelling arguments in favor of insects as a sustainable protein source, many people in Western societies are still hesitant about the idea of incorporating insects into their diet. This ‘yuck factor’ largely stems from cultural perceptions and lack of familiarity. However, entomophagy, or insect-eating, is a common practice in many cultures around the world, and acceptance is growing in Western countries. Let’s explore how we can break down these barriers and normalize insect consumption.

Entomophagy Around the World

In many parts of the world, insects are regarded as a culinary delicacy. Over 2 billion people across 130 countries already include insects as part of their diet. In Africa, Asia, and Latin America, insects are often considered a tasty and nutritious food source.

For instance, in Thailand, edible insects like silkworms and crickets are common street food, fried up and served with soy sauce and spices. In Mexico, chapulines (grasshoppers) are toasted with garlic, lime, and salt and served as a snack or used as a filling in tacos. Meanwhile, in South Africa, mopane worms are a dietary staple and an important source of protein.

Changing Perceptions Through Culinary Innovation

In the West, insects are starting to make their way into gourmet cuisine and food products. Innovative chefs are incorporating insects into their menus, creating appealing dishes that challenge preconceived notions about insect consumption.

For instance, at restaurants like Inoveat in Paris or Antcicada in Tokyo, diners can savor dishes like cricket ramen or or 7-course insect tasting menus. Such innovative culinary creations offer a gateway for consumers to experience insect-eating in a familiar context.

Moreover, many insect-based products on the market disguise the insects in a form that’s less confronting. You can find cricket flour protein bars, insect-based pasta, or insect protein powder for smoothies. These products allow consumers to enjoy the nutritional benefits of insects without having to see or taste the insects directly.

Education and Awareness

Education is crucial in overcoming the ‘yuck factor’. By raising awareness about the environmental and nutritional benefits of insect consumption and dispelling misconceptions, we can gradually shift perceptions.

For example, many people may not know that they’re already consuming insect parts unknowingly. The FDA allows a small amount of insect matter in processed foods because it’s virtually impossible to keep mass-produced foods 100% insect-free.

six foods that contain insects

Moreover, insects are closely related to crustaceans, a group that includes widely consumed species such as shrimp and lobster. This might help some people see insects in a new light.

Educational campaigns, taste-testing events, cooking demonstrations, and endorsements from chefs and nutritionists can all help make insect consumption more mainstream.


In conclusion, adopting insect protein as a part of our diet may initially sound daunting. Still, it holds tremendous promise for the future of sustainable food production and our planet’s health. As global citizens, we have a responsibility to explore such innovative solutions. Our dietary choices can drive a significant impact. So, let’s put aside the ‘yuck factor,’ embrace the change, and contribute to a healthier and more sustainable world. You might be surprised by how these little creatures can make a big difference!