Diet, Energy, and Global Warming

Eshel, Gidon; Martin, Pamela A.

doi:10.1175/ei167.1

Cited by 251 publications

(134 citation statements)

References 19 publications

(17 reference statements)

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“…Likewise, a similar perspective allows estimating that the sole production of animal derived food implies an 18% share of global greenhouse gas (GHG) emissions, equivalent to industry and higher than transports [15][16][17][18]. Therefore, changes in food choices might have the same magnitude as modifications in mobility patterns [19].…”

Section: Introductionmentioning

confidence: 99%

The Hidden Burden of Food Waste: The Double Energy Waste in Italy

2016

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Abstract:The energy intensity of modern food systems represents a major issue in a scenario of decreasing oil resources and increasing population. Beside the use of renewable energy, an increased efficiency in food systems could contribute to reduce fossil fuels dependence. In this sense, food losses and waste (FLW) have crucial consequences on the energy balance. Based on the concept of "embodied energy", food wastage can be framed as a double waste of energy, both in terms of non-consumed food energy and the inputs used for production. Secondary data regarding direct and indirect energy inputs and FLW have been collected for the Italian food chain to estimate the embodied energy of food waste. Since in 2011 the production and distribution of food implied the use of 822 PJ and 18 Mt of food was discarded, 67 PJ of food energy and 100 PJ of embodied energy were wasted. These figures are equivalent to 12.2% of the total nutritional energy output and to 1.3% of the final energy use in Italy, respectively. The concept of double energy waste sheds new light on the intertwined relationship between energy and food security, suggesting that appropriate food waste reduction policies could result in a higher food production level and relevant energy savings.

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Section: Introductionmentioning

confidence: 99%

The Hidden Burden of Food Waste: The Double Energy Waste in Italy

2016

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“…As China has limited arable land and is facing a variety of pressures (Khan, Hanjra, & Mu, 2009;Larson, 2013), increasing livestock products is a serious threat. For the sake of food security, some scientists appeal to decrease livestock products consumption (Ilea, 2009;Eshel & Martin, 2006). In fact, livestock products contribute significantly to reduce poverty, enhance nutrition and support crops planting in smallholder systems (Thornton, 2010).…”

Section: Discussionmentioning

confidence: 99%

Future Arable Land Requirement of Pig Production in China

Cui

Nath²

2015

JAS

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China's pig industry is experiencing a dramatic increase to meet increasing consumption demand. How these changes influence the limited arable land resources through consuming grain as feed has not been clearly understood. In this manuscript, we calculate the arable land requirement for pig industry ( 2010-2030; 2030-2050 and 2010-2050. And technology will become primary reason. These findings could help optimizing the relationships between limited arable land resources and development of pig industry, and promote sustainable development of the pig industry.

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“…A recent survey of 505 subjects from 7 different metropolitan U.S. areas showed that the most popular response for the single most effective things subjects could do to conserve energy in their lives was to turn off their lights. Almost 20% of respondents mentioned this solution, compared with 13% who said -drive less‖, while neither eating less meat nor switching to a meat-free diet was mentioned [33], although research shows that U.S. greenhouse gas emissions would be reduced by 6% if Americans switched to plant-based proteins [34].…”

Section: Conservation Vs Contributions To the Tragedy Of The Commonsmentioning

confidence: 99%

Asymmetrical Contributions to the Tragedy of the Commons and Some Implications for Conservation

2013

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Abstract:In Garrett Hardin's popular essay on -The Tragedy of the Commons‖, he presents a model of a shared commons where herdsmen graze their cattle to illustrate the tension between group and self-interest that characterizes so many social dilemmas. However, Hardin is not explicit that consumption can actually vary widely among herdsman, although later, when discussing population growth, he clarifies that -people vary‖. People do indeed vary, and here we explore further the prevalence of asymmetrical contributions to the tragedy of the commons. We also provide several examples to demonstrate that asymmetries have been frequently underappreciated by conservation initiatives. Given that many of today's major environmental problems, such as climate change, freshwater shortages, and overfishing, are problems of users or groups of users over-consuming common resources asymmetrically, we believe identifying patterns of consumption is a necessary first step in solving any social dilemma, and can help elucidate priority areas for conservation.

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Diet, Energy, and Global Warming

Cited by 251 publications

References 19 publications

The Hidden Burden of Food Waste: The Double Energy Waste in Italy

The Hidden Burden of Food Waste: The Double Energy Waste in Italy

Future Arable Land Requirement of Pig Production in China

Asymmetrical Contributions to the Tragedy of the Commons and Some Implications for Conservation

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