Peru's road to climate action: Are we on the right path? The role of life cycle methods to improve Peruvian national contributions

Vázquez‐Rowe, Ian; Kahhat, Ramzy; Larrea‐Gallegos, Gustavo; Ziegler-Rodriguez, Kurt

doi:10.1016/j.scitotenv.2018.12.322

Cited by 33 publications

(21 citation statements)

References 113 publications

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“…As recognized by previous studies, optimizing food diets helps to contribute to the global climate change mitigation agenda [53][54][55]. China pledged to peak its carbon emissions by 2030, and while its food system makes up 25% of global carbon emissions, our results show that carbon emissions associated with the food system in China will likely peak between 2030 and 2035, which is in line with China's national efforts to comply with the Paris Agreement [30].…”

Section: Linking the Food System And Its Environmental Footprintssupporting

confidence: 81%

Demographic Scenarios of Future Environmental Footprints of Healthy Diets in China

Han

Chai

Liao

2020

Foods

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Dietary improvement not only benefits human health conditions, but also offers the potential to reduce the human food system’s environmental impact. With the world’s largest population and people’s bourgeoning lifestyle, China’s food system is set to impose increasing pressures on the environment. We evaluated the minimum environmental footprints, including carbon footprint (CF), water footprint (WF) and ecological footprint (EF), of China’s food systems into 2100. The minimum footprints of healthy eating are informative to policymakers when setting the environmental constraints for food systems. The results demonstrate that the minimum CF, WF and EF all increase in the near future and peak around 2030 to 2035, under different population scenarios. After the peak, population decline and aging result in decreasing trends of all environmental footprints until 2100. Considering age-gender specific nutritional needs, the food demands of teenagers in the 14–17 year group require the largest environmental footprints across the three indicators. Moreover, men’s nutritional needs also lead to larger environmental footprints than women’s across all age groups. By 2100, the minimum CF, WF and EF associated with China’s food systems range from 616 to 899 million tons, 654 to 953 km3 and 6513 to 9500 billion gm2 respectively under different population scenarios. This study builds a bridge between demography and the environmental footprints of diet and demonstrates that the minimum environmental footprints of diet could vary by up to 46% in 2100 under different demographic scenarios. The results suggest to policymakers that setting the environmental constraints of food systems should be integrated with the planning of a future demographic path.

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Section: Linking the Food System And Its Environmental Footprintssupporting

confidence: 81%

Demographic Scenarios of Future Environmental Footprints of Healthy Diets in China

Han

Chai

Liao

2020

Foods

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“…Hence, further improvement of Spanish dietary guidelines is needed by adding environmental metrics. Moreover, the results of the current study may also be articulated with nationally-determined contributions to mitigate GHG emissions linked to future diets ( Vázquez-rowe et al, 2019 ) and, together with a broader spectrum of social, economic and environmental indicators, with the Sustainable Development Goals ( Gheewala, 2020 ; Vanham et al, 2019 ).…”

Section: Discussionmentioning

confidence: 99%

Environmental and nutritional impacts of dietary changes in Spain during the COVID-19 lockdown

Batlle-Bayer

Aldaco

Bala

et al. 2020

Science of The Total Environment

Self Cite

117

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The COVID lockdown has affected food purchases and eating habits. In this regard, this short communication assesses the nutritional and environmental impacts of these changes during the COVID lockdown in Spain, by applying Life Cycle Assessment and an energy- and nutrient-corrected functional unit. Three environmental impacts were studied (Global Warming Potential, Blue Water Footprint and Land Use) and a total of seven weekly diet scenarios were designed: two pre-COVID diets for March and April in 2019 (MAR19, APR19), one COVID diet (COVID) and two alternative diets, one based on the National Dietary Guidelines (NDG) and another one on the Planetary Health Diet (PHD). Results show that the COVID diet had larger energy intake and lower nutritional quality, as well as higher environmental impacts (between 30 and 36%) than the pre-COVID eating patterns. Further research is needed to account for food affordability within this assessment, as well as to analyze how eating patterns will evolve after the COVID lockdown. Finally, the definition of short guidelines for sustainable food behaviors for future possible lockdowns is suggested, as well as the introduction of sustainable indicators within NDGs.

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“…On the contrary, in open dumps (so called "botaderos", "basureros" or "tiraderos" in Spanish-speaking areas of LAC) waste is disposed of without or limited measures to control operation and to protect the environment and, thus, the chemical and biological contaminants in waste will find their way back to humans to affect health and quality of life (Rushbrook, 1999;Oakley and Jimenez, 2012). In fact, the available literature demonstrates that groundwater pollution in the vicinity of open dumps is usually significantly above environmental standards (Aiman et al, 2016;Ziegler-Rodriguez et al, 2019), whereas pollution near adequately managed landfilling sites tends to be limited as compared to baseline concentrations (Han et al, 2016;Gworek et al, 2016). Open dumping is considered as the simplest, and in many areas, the cheapest of all existing disposal methods.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Enhancing waste management strategies in Latin America under a holistic environmental assessment perspective: A review for policy support

Margallo

Ziegler-Rodriguez

Vázquez‐Rowe

et al. 2019

Science of The Total Environment

Self Cite

152

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Peru's road to climate action: Are we on the right path? The role of life cycle methods to improve Peruvian national contributions

Cited by 33 publications

References 113 publications

Demographic Scenarios of Future Environmental Footprints of Healthy Diets in China

Demographic Scenarios of Future Environmental Footprints of Healthy Diets in China

Environmental and nutritional impacts of dietary changes in Spain during the COVID-19 lockdown

Enhancing waste management strategies in Latin America under a holistic environmental assessment perspective: A review for policy support

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