
A green diet is a way of eating that is better for both your health and the environment. It is not a fad diet but a sustainable way of eating that ensures nutritious food for present and future generations. A green diet can help tackle climate change and build a sustainable food supply chain. It involves reducing meat consumption, especially red meat, and increasing plant-based foods, including fruits, vegetables, nuts, legumes, and whole grains. The Green Food Project and the Planetary Health Diet (PHD) are examples of green diets that promote sustainable and healthy eating patterns.
| Characteristics | Values |
|---|---|
| Environmental Impact | Lower environmental impact, reducing climate change and building a sustainable food supply chain |
| Food Choices | More plant-based foods, less meat, especially red and processed meat, and more sustainable fish |
| Health Benefits | Lower risk of certain cancers, improved brain health and protection against brain atrophy, improved liver health, and reduced risk of cardiovascular disease |
| Lifestyle Choices | Using reusable bags, recycling, composting, choosing eco-friendly products, and reducing food waste |
| Specific Diets | Planetary Health Diet (PHD), Green Food Project, Green Mediterranean Diet |
| Daily Targets | Meat, fish, grains, fruits, sugars, nuts, vegetables, starchy vegetables |
| Calorie Targets | 1,500 calories for men and 1,200-1,400 for women, including 40g of carbs and 100g of protein |
| Beverage Choices | Tap water, green tea |
| Dairy Choices | Milk and dairy products or plant-based alternatives |
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What You'll Learn

The planetary health diet (PHD)
A green diet is a way of eating that is healthier for you and the environment. It is not a fad diet but a sustainable way of eating that can help tackle climate change and build a sustainable food supply chain. The way most of our food is currently produced is not sustainable, with the food system responsible for around one-third of all global greenhouse gas emissions, and meat production alone generating nearly 60% of that figure.
The PHD is more prescriptive than the UK's Green Food Project, which contains more general guidelines. The Green Food Project was launched in 2012 and identified eight key principles of a healthy and sustainable diet:
- Eat a varied balanced diet to maintain a healthy body weight
- Eat more plant-based foods, including at least five portions of fruit and vegetables per day
- Moderate your meat consumption, and enjoy more peas, beans, nuts, and other sources of protein
- Choose fish sourced from sustainable stocks
- Include milk and dairy products in your diet or seek out plant-based alternatives, including those that are fortified with additional vitamins and minerals
- Drink tap water
- Eat fewer foods that are high in fat, sugar, and salt
Research has shown that red meat and dairy are two of the most harmful foods for the environment, generating 55% of total global agriculture emissions. Therefore, a shift in the way we produce and consume our food is needed to reduce our environmental impact.
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The Green Food Project
The first principle encourages individuals to adopt a varied and balanced diet to maintain a healthy body weight. This involves eating a range of whole foods, including fruits, vegetables, whole grains, lean proteins, and healthy fats. The second principle emphasizes the importance of increasing plant-based foods in one's diet, with a recommendation of at least five portions of fruits and vegetables per day. This shift towards plant-forward plates can have a significant positive impact on both personal health and the environment.
The third principle addresses the impact of meat consumption on the environment and encourages moderation in meat intake. It suggests exploring alternative protein sources such as peas, beans, nuts, and plant-based alternatives. The fourth principle focuses on the sustainability of seafood choices. It recommends choosing fish sourced from sustainable stocks, considering factors such as seasonality and capture methods to ensure the long-term viability of fisheries.
The fifth principle highlights the importance of including milk and dairy products in one's diet or opting for fortified plant-based alternatives. This ensures adequate calcium and vitamin intake, especially for those who choose a vegan or vegetarian lifestyle. The sixth principle is a simple yet impactful suggestion to drink tap water instead of purchasing bottled water, reducing plastic waste.
The seventh principle encourages individuals to reduce their consumption of highly processed and packaged foods that are high in fat, sugar, and salt. These types of foods not only contribute to negative health outcomes but also generate unnecessary packaging waste. Lastly, the eighth principle is a reminder to minimize food waste. This can be achieved through mindful shopping, proper food storage, and creative use of leftovers.
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Green Mediterranean diet
A green diet is a way of eating that is both healthy and sustainable. It is not a fad diet but a way of eating that is beneficial for both the individual and the planet.
The Green Mediterranean Diet is a great example of a green diet. It is a variation of the traditional Mediterranean diet, which is already known for its health benefits. The Green Mediterranean Diet takes this a step further by focusing on plant-based foods and limiting animal products to reduce inflammation and promote heart health.
The diet emphasizes the consumption of plant-based proteins and high-polyphenol foods, including Mankai (duckweed), green tea, olive oil, almonds, red onion, and broccoli. Duckweed is a good source of protein, iron, and vitamin B12, making it an excellent meat substitute. The diet also includes other plant-based protein sources such as chickpeas, tofu, nuts, beans, and peanut butter.
A typical day on the Green Mediterranean Diet might include a breakfast of a Mankai duckweed smoothie with fruit or vegetables, almonds, and plant-based milk, a lunch of grilled salmon with spinach, brown rice, and green tea, and a dinner of whole-grain crackers with hummus and raw veggies with a yogurt dip.
The Green Mediterranean Diet has been shown to have additional health benefits beyond the traditional Mediterranean diet. Research has found that following this diet for six months resulted in lower blood pressure, lower "bad" LDL cholesterol, and reduced inflammatory markers compared to the standard Mediterranean diet. It has also been linked to a reduced risk of conditions like obesity, diabetes, and heart disease.
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Vegan, vegetarian, flexitarian, or meat eater
A green diet is a way of eating that is healthy and sustainable, benefiting both the individual and the planet. It involves eating more plant-based foods and reducing meat consumption, which can help tackle climate change and build a sustainable food supply chain.
Vegan
Vegans do not eat any foods that come from animals, including meat, dairy products, and eggs. A vegan diet is based on plants such as vegetables, grains, nuts, and fruits, as well as foods made from plants. It is important for vegans to plan their diet properly to ensure they get all the essential nutrients, such as calcium, vitamin B12, vitamin D, iodine, selenium, and iron. Fortified foods and supplements can help with this.
Vegetarian
A vegetarian diet focuses on plants for food, including fruits, vegetables, dried beans, peas, grains, seeds, and nuts. There are different types of vegetarian diets, such as the lacto-vegetarian diet, which includes dairy products, and the lacto-ovo vegetarian diet, which includes both dairy products and eggs. Vegetarians must eat a wide variety of foods to meet their nutritional needs, focusing on nutrients such as protein, iron, calcium, zinc, and vitamin B12.
Flexitarian
The flexitarian diet is a flexible alternative to being a vegetarian, allowing for the occasional consumption of meat and animal products. It focuses on decreasing overall meat consumption and increasing the intake of fruits, vegetables, whole grains, legumes, and nuts. When eating meat, flexitarians are encouraged to choose organic, free-range, pasture-raised, or grass-fed options. The diet emphasizes getting protein from plant sources and is ranked highly for its simplicity and health benefits.
Meat-Eater
While a green diet emphasizes plant-based foods, it does not necessarily exclude meat. Meat-eaters can adopt a green diet by moderating their meat consumption and choosing meat, poultry, and fish that are sourced sustainably. For example, choosing organic, free-range, pasture-raised, or grass-fed options can reduce the environmental impact of meat production. Meat-eaters can also contribute to a green diet by increasing their intake of plant-based proteins, such as peas, beans, and nuts.
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Eco-friendly cleaning products
A green diet is a way of eating that is healthier and more environmentally friendly. It is not a fad diet but rather a sustainable way of eating that is beneficial to both the individual and the planet. The United Nations defines sustainable eating as "diets with low environmental impacts that contribute to food and nutrition security, and to a healthy life for present and future generations".
The current food system is responsible for around 34% of global greenhouse gas emissions, with meat production alone contributing to nearly 60% of that figure. In addition, food production, especially farming and agriculture, is a significant contributor to deforestation, overfishing, biodiversity loss, and soil and water pollution. As a result, the way food is produced and consumed must change to combat the effects of climate change.
One way to adopt a green diet is through the planetary health diet (PHD), which was developed by the Eat-Lancet Commission to ensure that a growing global population has access to nutritious food. The PHD involves adhering to daily targets for meat, fish, grains, fruits, sugars, nuts, vegetables, and starchy vegetables. Alternatively, the UK's Green Food Project offers more general guidelines, including eating a balanced diet with a variety of plant-based foods and at least five servings of fruits and vegetables per day.
In addition to the PHD and the Green Food Project, the Green Mediterranean Diet is another popular green diet. This diet is a more prescribed version of the traditional Mediterranean diet, which emphasizes plant-based foods, healthy fats, and extra virgin olive oil. The Green Mediterranean Diet avoids red and processed meat, focusing on plant-based proteins like chickpeas, tofu, nuts, and beans, as well as whole grains and fresh produce.
Laundry Detergent Sheets: These sheets are an eco-friendly, plant-based, and allergen-free alternative to traditional laundry detergent. They are also vegan and cruelty-free, ensuring that no animals were harmed in the production process.
Loofah Sponges: Plastic-free loofah sponges made from sustainable sources such as the loofah plant are a great alternative to traditional plastic dish sponges and bath loofahs.
Reusable Paper Towels: Organic, reusable paper towels made from 100% organic cotton are a more environmentally friendly option than single-use paper towels. This reduces the number of trees cut down for paper production.
Biodegradable Coconut Kitchen Scrubbers: These scrubbers are a zero-waste, biodegradable alternative to traditional dish scourers. They effectively remove hard grease and food residue from pots and pans while being gentle on the environment.
Eco-Friendly Dish Soap and Laundry Detergent: Some companies offer dish soap and laundry detergent in refillable containers, eliminating the need for single-use plastic. These products are not only environmentally friendly but also effective in cleaning.
Bamboo Scrub Brushes: These brushes are a durable and eco-friendly alternative to plastic dish scrubbers. They have a bamboo base and are made with yucca and agave fibers, providing medium-soft bristles that are effective for scrubbing dishes.
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Frequently asked questions
A green diet is a way of eating that is better for both your health and the environment. It involves eating a healthy and sustainable diet that will also be available for future generations.
A green diet can help tackle climate change and build a sustainable food supply chain. It can also be beneficial for your health, as it involves eating more nutritious food.
A green diet includes eating more plant-based foods, such as fruits, vegetables, nuts, legumes, and whole grains. It also involves getting protein from plant-based sources like chickpeas, tofu, nuts, and beans.
Some examples of green diets include the Planetary Health Diet (PHD), which was developed by a group of scientists and includes daily targets for meat, fish, grains, fruits, sugars, nuts, and vegetables. Another example is the Green Food Project, which includes guidelines such as eating a varied balanced diet, moderating meat consumption, choosing sustainable fish sources, and drinking tap water. The Green Mediterranean Diet is another example, which involves avoiding red and processed meat and focusing on plant-based proteins, green tea, walnuts, and a Mankai duckweed shake.
























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