What mmeals of seafood should I eat? Cambridge Macrobiotic Master Cleanse Junk food Superfood Slow-Carb. The foltprint among the different fruits and neals is Fotprint large as to make your Low carbon footprint meals meaningless. Not to be confused with Low-carbohydrate diet. So, lets… Meat and Consequences: More Bad News for Climate Change - […] way of imagining the effect is to translate a kilo of food sources into the number of car miles driven… Reducing Carbon Footprint, One Step at a Time — Afton Wilke - […] them. Manure management also plays a role.

Low carbon footprint meals -

Credit: Poore, J. Additional calculations by Our World in Data. Additional data by Hannah Ritchie. Beef from a dairy herd has a lower greenhouse gas footprint than meat from a beef herd because you get more food in return for all the resources you invest in the cow feed, land, water and fertiliser , says Bordier.

So it's more efficient overall," she says. Dairy cows usually produce high milk yields for about three years , after which they are slaughtered and their meat is used for beef.

Meat from small, non-ruminant animals, such as chicken, turkey, rabbit and duck, has a much lower GHG footprint than beef and lamb. Chicken, for example, has a GHG footprint almost nine times lower than beef's — generating 5.

That's "quite low", says Sarah Bridle, professor of food, climate and society at the University of York in the UK. Pork's GHG footprint 7. It is cheese, not chicken or pork, that generates the third-highest emissions in agriculture, after lamb and beef.

The GHG footprint of cheese The dietary emissions can vary greatly depending on the type of cheese you're eating. Harder cheeses, such as parmesan, are more carbon-intensive than soft cheeses because they are made with more milk, says Bridle.

The GHG footprint of cow's cheese is similar to that of goat's or sheep's milk cheeses "because they're all ruminants," says Bridle. Harder cheeses, such as parmesan, are more carbon-intensive than soft cheeses because they are made with more milk Credit: Alamy.

Yoghurt, meanwhile, is surprisingly low-carbon, 2. The lowest emissions option would be to adopt a vegan diet and cut out meat and dairy altogether.

A diet rich in peas, pulses and nuts can be incredibly low-carbon. Producing g of protein from peas emits just 0. This is almost 90 times less than getting the same amount of protein from beef. Other pulses, such as lentils, have a GHG footprint of 0. Tofu production, meanwhile, generates 2.

By crossbreeding wild chickpeas with cultivated varieties, US company Nucicer has created high-protein chickpea powder, which it says also lowers the CO2e of the crop.

The powder can be used as gluten-free flour in pasta and baked goods. By increasing the protein content, Nucicer is able to produce more protein per acre and reduce the overall amount of energy and water needed, says Kathyrn Cook, the company's chief executive and cofounder.

Chickpeas are also highly water-efficient and fix nitrogen from the air into the soil, which is vital for plant growth, she adds. When it comes to fish and seafood, it is more difficult to calculate the GHG footprint.

It can vary greatly depending on the species and how it is caught. Farmed prawns have a much higher footprint This is because mangrove forests, which store huge amounts of carbon, are often destroyed and converted into prawn farms. But farmed bivalves, including mussels, oysters, scallops and clams, have a much lower GHG, about six times lower than farmed prawns and roughly 3.

In , Gephart and her colleagues analysed the environmental impact of seafood across a range of factors, including greenhouse gas emissions, pollution and freshwater use. Farmed bivalves scored the best across the board. However, bivalves caught in the wild did not perform nearly as well when it came to greenhouse gas emissions — they emit five to 10 times more emissions as their farmed counterparts, says Gephart.

Farmed bivalves don't require animal feed as they filter nutrients from the water and can be harvested without a large amount of energy. Wild bivalves are often caught by dredging — which involves towing large, rigid nets along the seafloor.

It's a carbon intensive process which disturbs carbon stored in the sediment and results in the release of CO2, which acidifies the ocean. One study estimates that seabed dredging produces as much as one billion tonnes of CO2 annually — equivalent to global aviation emissions and greater than those of Germany.

From cellular meat, which uses cells harvested from live animals, to plant-based meat made from soy or pea protein, and cow-free dairy produced using precision fermentation , we now have a huge range of meat and dairy alternatives to choose from if we wish to avoid animal products.

According to a study by Raychel Santo , a researcher at the Johns Hopkins Center for a Livable Future, plant-based meat generates 1. While emissions for cellular meat were significantly lower than traditional meat, they were five to 21 times higher than emissions from plant proteins, such as pulses, tofu and peas, Santo's research found.

A large proportion of cellular meat's footprint comes from the energy required to manufacture the products, says Santo. The cells harvested from animals are grown in bioreactors , which are highly energy intensive.

Mussels have a greenhouse gas footprint that is about six times lower than farmed prawns and 3. The footprint of cellular meat is substantially lower than that of beef and lamb, according to research by Hanna Tuomisto, associate professor in sustainable food systems at the University of Helsinki in Finland.

Animal-free proteins produced using precision fermentation have a lower emissions output than those in cultured meat, says Tuomisto. Precision fermentation — also known as recombinant protein production — involves inserting specific DNA sequences into non-animal cells, such as bacteria, yeast or other fungi, which allow them to produce proteins that are identical to those found in traditional dairy and meat.

These microorganisms are simpler than the animal cells used in cellular meat, says Tuomisto, which leads to several advantages. They have a faster metabolism and "produce more proteins with less inputs", she says, adding that, unlike cultured meat, they don't require heating as they produce heat themselves while duplicating.

This means that their overall GHG emissions are significantly lower. A study of the American diet found replacing beef with chicken would cut people's dietary carbon footprint in half. Read the study external link. Make little choices every day that have a big impact, like choosing where you shop, what you wear, what you eat, and what you say.

There are lots of ways to shop sustainably, like buying second hand, researching what you buy, or saying no to buying it altogether. Fashion is better when it's not fast.

Discover ways to make ethical and sustainable fashion choices. Your voice is powerful. Use it to encourage businesses, leaders, friends and whanau to take action.

Reducing your impact starts with understanding it. Find out how to measure your carbon footprint. Switch meat for veggies one meal a week To make climate-conscious decisions about your diet, think first about the type of food you eat. Ways to eat more veggies Do meatless Mondays Swap half the meat for beans, veg or lentils in stir-fries, curries, stews or pies Try alternatives like tofu, quorn or dairy substitutes Pick a veggie meal when you eat out Look for tasty ideas on recipe websites.

Emissions from most plant-based products are times lower than most animal-based products. Tips for reducing food waste Plan your meals - Buy the ingredients you need for a certain number of specific meals. Keep foods fresh - Use jars, plastic containers and wax wraps to keep them tasty for longer.

Cook the right portions - Foods like rice and pasta expand, while some vegetables shrink. But if you cook too much, that's lunch sorted.

Compost veggie waste - It produces far less climate-changing methane than when it rots in landfill.

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