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NTIS 바로가기환경영향평가 = Journal of environmental impact assessment, v.25 no.4, 2016년, pp.280 - 295
여민주 (이화여자대학교 환경공학과) , 김용표 (이화여자대학교 환경공학과)
Influences on the environment from the consumption of livestock have increased drastically during the last 50 years in Korea. Reduction of bovine meat consumption is one of the alternatives as sustainable food supply. The consumption of bovine meat and the ecological footprint (the sum of the cropla...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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탄소발자국은 무엇인가? | 탄소발자국의 정의는 연구마다 상이하여 일부 연구에서는 에너지 소비에 의한 온실가스 배출량을 탄소발자국으로 정의하기도 한다(Wiedmann & Minx 2008). 본 연구에서는 탄소발자국을 생태발자국의한 부문으로 간주하고 GFN (2015a)과 같이 이산화탄소 배출량을 산림으로 흡수하기 위해 필요한 면적의 양으로 정의하였다. 쇠고기 소비에 의한 탄소발자국은 쇠고기 소비량, 내재에너지, 탄소강도를 곱하여 산정한 이산화탄소 배출량에 탄소발자국강도를 곱하여 Figure 1의 F 3과 같이 산정하였다. | |
소비를 줄이는 방안 중, 비만 인구를 줄이는 것의 효과는? | 식량과 폐기물 손실을 줄이게 되면 식량 공급량을 증가시킬 수 있고 경제적, 환경적으로 편익을 제공한다. 비만 인구를 줄이는 것은 식량 수요를 줄이는 방안일 뿐만 아니라 건강과 재정적으로도 편익을 준다. 대체출산율은 현재 인구규모를 유지하기 위한 출산율을 의미하는데 일반적으로 인구이동과 사망률의 변화가 없다는 가정 하에 2. | |
쇠고기 소비를 줄이는 것이 지속가능한 식량 공급의 대안책이 될 수 있는 이유는? | 쇠고기 소비를 줄이는 것이 지속가능한 식량 공급의 대안책이 될 수 있는 이유는 육류를 생산할 때 농작물에 비해 에너지 집약도가 높고(Sanders & Webber 2014), 동일하게 1 kcal의 동물 단백질을 생산하기 위해 필요한 화석 에너지 투입량비가 돼지고기, 닭고기, 쇠고기(각각 순서대로 14, 4, 40) 중 쇠고기가 가장 많아서(Pimentel & Pimentel 2003) 환경에 미치는 영향(예를 들어, 온실가스 배출)이 크기 때문이다. 건강한 식습관을 위해서도 육류 섭취를 조절하는 것이 필요하다(Tilman & Clark 2014). |
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