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Meat is animal flesh that is eaten as food. Humans have hunted, farmed, and scavenged other animals for meat since prehistoric times. The establishment of settlements in the Neolithic Revolution allowed the domestication of animals including chickens, sheep, pigs, and cattle. This eventually led to their use in meat production on an industrial scale in slaughterhouses.
Beef is the culinary name for meat from cattle. Beef can be prepared in various ways; cuts are often used for steak, which can be cooked to varying degrees of doneness, while trimmings are often ground or minced, as found in most hamburgers. Beef contains protein, iron, and vitamin B12. Along with other kinds of red meat, high consumption is associated with an increased risk of colorectal cancer and coronary heart disease, especially when processed. Beef has a high environmental impact, being a primary driver of deforestation with the highest greenhouse gas emissions of any agricultural product.
A meat alternative or meat substitute, is a food product made from vegetarian or vegan ingredients, eaten as a replacement for meat. Meat alternatives typically approximate qualities of specific types of meat, such as mouthfeel, flavor, appearance, or chemical characteristics. Plant- and fungus-based substitutes are frequently made with soy, but may also be made from wheat gluten as in seitan, pea protein as in the Beyond Burger, or mycoprotein as in Quorn.
A flexitarian diet, also called a semi-vegetarian diet, is one that is centered on plant foods with limited or occasional inclusion of meat. For example, a flexitarian might eat meat only some days each week. Flexitarian is a portmanteau of the words flexible and vegetarian, signifying its followers' less strict diet pattern when compared to vegetarian pattern diets.
A plant-based diet is a diet consisting mostly or entirely of plant-based foods. Plant-based diets encompass a wide range of dietary patterns that contain low amounts of animal products and high amounts of fiber-rich plant products such as vegetables, fruits, whole grains, legumes, nuts and seeds. They do not need to be vegan or vegetarian but are defined in terms of low frequency of animal food consumption.
The meat industry are the people and companies engaged in modern industrialized livestock agriculture for the production, packing, preservation and marketing of meat. In economics, the meat industry is a fusion of primary (agriculture) and secondary (industry) activity and hard to characterize strictly in terms of either one alone. The greater part of the meat industry is the meat packing industry – the segment that handles the slaughtering, processing, packaging, and distribution of animals such as poultry, cattle, pigs, sheep and other livestock.
Conversations regarding the ethics of eating meat are focused on whether or not it is moral to eat non-human animals. Ultimately, this is a debate that has been ongoing for millennia, and it remains one of the most prominent topics in food ethics.
Environmental vegetarianism is the practice of vegetarianism that is motivated by the desire to create a sustainable diet, which avoids the negative environmental impact of meat production. Livestock as a whole is estimated to be responsible for around 15% of global greenhouse gas emissions. As a result, significant reduction in meat consumption has been advocated by, among others, the Intergovernmental Panel on Climate Change in their 2019 special report and as part of the 2017 World Scientists' Warning to Humanity.
A sustainable food system is a type of food system that provides healthy food to people and creates sustainable environmental, economic, and social systems that surround food. Sustainable food systems start with the development of sustainable agricultural practices, development of more sustainable food distribution systems, creation of sustainable diets, and reduction of food waste throughout the system. Sustainable food systems have been argued to be central to many or all 17 Sustainable Development Goals.
A low-carbon diet is any diet that results in lower greenhouse gas emissions. Choosing a low carbon diet is one facet of developing sustainable diets which increase the long-term sustainability of humanity. Major tenets of a low-carbon diet include eating a plant-based diet, and in particular little or no beef and dairy. Low-carbon diets differ around the world in taste, style, and the frequency they are eaten. Asian countries like India and China feature vegetarian and vegan meals as staples in their diets. In contrast, Europe and North America rely on animal products for their Western diets.
The environmental impacts of animal agriculture vary because of the wide variety of agricultural practices employed around the world. Despite this, all agricultural practices have been found to have a variety of effects on the environment to some extent. Animal agriculture, in particular meat production, can cause pollution, greenhouse gas emissions, biodiversity loss, disease, and significant consumption of land, food, and water. Meat is obtained through a variety of methods, including organic farming, free-range farming, intensive livestock production, and subsistence agriculture. The livestock sector also includes wool, egg and dairy production, the livestock used for tillage, and fish farming.
Sustainable diets are "dietary patterns that promote all dimensions of individuals’ health and wellbeing; have low environmental pressure and impact; are accessible, affordable, safe and equitable; and are culturally acceptable". These diets are nutritious, eco-friendly, economically sustainable, and accessible to people of various socioeconomic backgrounds. Sustainable diets attempt to address nutrient deficiencies and excesses, while accounting for ecological phenomena such as climate change, loss of biodiversity and land degradation. These diets are comparable to the climatarian diet, with the added domains of economic sustainability and accessiblity.
Animal-free agriculture, also known as veganic agriculture, stockfree farming or veganic farming, consists of farming methods that do not use animals or animal products.
Pescetarianism is a dietary practice based on the consumption of fish and shellfish to the exclusion of land-based meats. The practise incorporates seafood into an otherwise vegetarian diet, and may or may not include other animal products such as eggs and dairy products. Approximately 3% of adults worldwide are pescetarian, according to 2017–2018 research conducted by data and analytics companies.
Individual action on climate change can include personal choices in many areas, such as diet, travel, household energy use, consumption of goods and services, and family size. Individuals can also engage in local and political advocacy around issues of climate change. People who wish to reduce their carbon footprint, can take "high-impact" actions, such as avoiding frequent flying and petrol fuelled cars, eating mainly a plant-based diet, having fewer children, using clothes and electrical products for longer, and electrifying homes. Avoiding meat and dairy foods has been called "the single biggest way" an individual can reduce their environmental impact. Excessive consumption is more to blame for climate change than population increase. High consumption lifestyles have a greater environmental impact, with the richest 10% of people emitting about half the total lifestyle emissions.
Planeat is a 2010 British documentary film by Or Shlomi and Shelley Lee Davies. The film discusses the possible nutritional and environmental benefits of adopting a whole foods, plant-based diet based on the research of T. Colin Campbell, Caldwell Esselstyn and Gidon Eshel. The film also features the views of Peter Singer.
Karen Beauchemin is a federal scientist in Canada who is recognized as an international authority on methane emissions and ruminant nutrition. Her research helps develop farming techniques that improve how we raise cattle for meat and milk, while reducing the environmental impacts of livestock production.
The amount of greenhouse gas emissions from agriculture is significant: The agriculture, forestry and land use sector contribute between 13% and 21% of global greenhouse gas emissions. Agriculture contributes towards climate change through direct greenhouse gas emissions and by the conversion of non-agricultural land such as forests into agricultural land. Emissions of nitrous oxide and methane make up over half of total greenhouse gas emission from agriculture. Animal husbandry is a major source of greenhouse gas emissions.
Climatarian diet is a diet focused on reducing the climate footprint.
The Game Changers is a 2018 American documentary film about athletes who follow plant-based diets.
References
- ↑ "International Year of Fruits and Vegetables: Perspectives from an environmental physicist". Springer Nature. 2021. Archived from the original on June 5, 2023.
- ↑ "Replacing Meat with Plant-Based Alternatives in American Diets Would Minimize Cropland Use and Reduce Greenhouse Gas Emissions, Says New Study Coauthored by Bard College Professor Gidon Eshel". Bard. 2019. Archived from the original on November 8, 2020.
- ↑ Thesis: Gidon Eshel. Online Computer Library Center. OCLC 37131387 . Retrieved 24 December 2017– via WorldCat.
- ↑ "Gidon Eshel, Research Professor". Bard Faculty. Bard College . Retrieved 24 December 2017.
- ↑ "Bluefield Technologies". bluefield.co. Retrieved January 16, 2018.
- 1 2 3 4 "Rethinking the American Diet". Radcliffe Magazine.
- ↑ "Grass-Fed Beef – bad for us and for the planet". Vegetarians of Washington.
- ↑ "Gidon Eshel" . Retrieved December 25, 2017.
- ↑ "These Plants Can Replace Meat—but Will Doing So Help the Environment?". Scientific American.
- ↑ "Eating for the Environment". Harvard Magazine.
- ↑ "The Satya Interview with Gidon Eshel". Satya.
- ↑ Author: Gidon Eshel. Online Computer Library Center. OCLC 778694025 . Retrieved 24 December 2017– via WorldCat.
- ↑ Carrington, Damian (16 May 2011). "Meat is murder? More like suicide, argues Planeat film". The Guardian . Retrieved 24 December 2017.
- ↑ "Gidon Eshel Ph.D". Before the Flood . National Geographic . Retrieved 24 December 2017.
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