Peter Singer: We are gambling with the future of our planet for the sake of hamburgers

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Renowned animal rights ethicist philosopher Peter Singer asserts that our dietary choices, particularly our consumption of meat and dairy, are jeopardising the Earth’s future. These industries contribute significantly to environmental degradation, deforestation, and greenhouse gas emissions, intensifying the impacts of climate change. By indulging in hamburgers and other meat-based products, we are not only compromising our health but also the wellbeing of our planet. For a more sustainable and compassionate future, consider boycotting meat and dairy. Choose to be vegan for the animals and to save our planet #Boycottmeat be #vegan #Boycott4Wildlife

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Originally published by The Conversation June 15, 2023 and republished here under the Creative Commons Licence, read original.

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Peter Singer, Princeton University

I wasn’t aware of climate change until the 1980s — hardly anyone was — and even when we recognised the dire threat that burning fossil fuels posed, it took time for the role of animal production in warming the planet to be understood.

Today, though, the fact that eating plants will reduce your greenhouse gas emissions is one of the most important and influential reasons for cutting down on animal products and, for those willing to go all the way, becoming vegan.

A few years ago, eating locally — eating only food produced within a defined radius of your home — became the thing for environmentally conscious people to do, to such an extent that “locavore” became the Oxford English Dictionary’s “word of the year” for 2007.

If you enjoy getting to know and support your local farmers, of course, eating locally makes sense. But if your aim is, as many local eaters said, to reduce greenhouse gas emissions, you would do much better by thinking about what you are eating, rather than where it comes from. That’s because transport makes up only a tiny share of the greenhouse gas emissions from the production and distribution of food.

With beef, for example, transport is only 0.5% of total emissions. So if you eat local beef you will still be responsible for 99.5% of the greenhouse gas emissions your food would have caused if you had eaten beef transported a long distance. On the other hand, if you choose peas you will be responsible for only about 2% of the greenhouse gas emissions from producing a similar quantity of local beef.

And although beef is the worst food for emitting greenhouse gases, a broader study of the carbon footprints of food across the European Union showed that meat, dairy and eggs accounted for 83% of emissions, and transport for only 6%.

More generally, plant foods typically have far lower greenhouse gas emissions than any animal foods, whether we are comparing equivalent quantities of calories or of protein. Beef, for example, emits 192 times as much carbon dioxide equivalent per gram of protein as nuts, and while these are at the extremes of the protein foods, eggs, the animal food with the lowest emissions per gram of protein, still has, per gram of protein, more than twice the emissions of tofu.

Animal foods do even more poorly when compared with plant foods in terms of calories produced. Beef emits 520 times as much per calorie as nuts, and eggs, again the best-performing animal product, emit five times as much per calorie as potatoes.

Favourable as these figures are to plant foods, they leave out something that tilts the balance even more strongly against animal foods in the effort to avoid catastrophic climate change: the “carbon opportunity cost” of the vast area of land used for grazing animals and the smaller, but still very large, area used to grow crops that are then fed — wastefully, as we have seen — to confined animals.

Because we use this land for animals we eat, it cannot be used to restore native ecosystems, including forests, which would safely remove huge amounts of carbon from the atmosphere. One study has found that a shift to plant-based eating would free up so much land for this purpose that seizing the opportunity would give us a 66% probability of achieving something that most observers believe we have missed our chance of achieving: limiting warming to 1.5℃.

Another study has suggested that a rapid phaseout of animal agriculture would enable us to stabilise greenhouse gases for the next 30 years and offset more than two-thirds of all carbon dioxide emissions this century. According to the authors of this study:

The magnitude and rapidity of these potential effects should place the reduction or elimination of animal agriculture at the forefront of strategies for averting disastrous climate change.

Climate change is undoubtedly the biggest environmental issue facing us today, but it is not the only one. If we look at environmental issues more broadly, we find further reasons for preferring a plant-based diet.

The clearing and burning of the Amazon rainforest means not only the release of carbon from the trees and other vegetation into the atmosphere, but also the likely extinction of many plant and animal species that are still unrecorded.

This destruction is driven largely by the prodigious appetite of the affluent nations for meat, which makes it more profitable to clear the forest than to preserve it for the indigenous people living there, establish an ecotourism industry, protect the area’s biodiversity, or keep the carbon locked up in the forest. We are, quite literally, gambling with the future of our planet for the sake of hamburgers.

Joseph Poore, of the University of Oxford, led a study that consolidated a huge amount of environmental data on 38,700 farms and 1,600 food processors in 119 countries and covered 40 different food products. Poore summarised the upshot of all this research thus:

A vegan diet is probably the single biggest way to reduce your impact on planet Earth, not just greenhouse gases, but global acidification, eutrophication, land use and water use. It is far bigger than cutting down on your flights or buying an electric car, as these only cut greenhouse gas emissions.

Poore doesn’t see “sustainable” animal agriculture as the solution:

Really it is animal products that are responsible for so much of this. Avoiding consumption of animal products delivers far better environmental benefits than trying to purchase sustainable meat and dairy.

Those who claim to care about the wellbeing of human beings and the preservation of our climate and our environment should become vegans for those reasons alone.

Doing so would reduce greenhouse gas emissions and other forms of pollution, save water and energy, free vast tracts of land for reforestation, and eliminate the most significant incentive for clearing the Amazon and other forests.

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This is an edited extract from Animal Liberation Now by Peter Singer (Penguin Random House).

Peter Singer, Professor of Bioethics in the Center for Human Values, Princeton University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

Originally published by The Conversation June 15, 2023 and republished here under the Creative Commons Licence, read original.

ENDS

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