全球暖化的問題日亦嚴重，食物里程是近年來各國用以呼籲節能減碳的概念之一。民以食為天，但我們甚少去了解日常所食之食材種類、來源、採購及運輸方式，究竟對環境造成多少二氧化碳排放當量。此外，隨著國民生活水準提高及周休二日的實施，出外觀光休閒旅遊機會增多，本研究亦想了解隨著生活型態之改變，對環境之碳排放影響。因此本研究除了廣泛蒐集諸多文獻所紀錄之碳排放當量資料庫，並透過70位消費者，實際調查其日常及旅遊過程之飲食資料，包含菜單、食材重量及食材來源，研究結果顯示:1. 食材之二氧化碳排放當量，運輸過程佔相當大之比例，因此若要降低飲食之碳排放量，吃當地所生產之食材是重要的。2. 蔬食之碳排放量顯著低於葷食，因此若以減碳為目標，建議推廣蔬食。3. 旅遊過程飲食之碳排放量顯著高於日常，原因涉及旅遊過程遊客之飲食態度(如獎勵(自己))，因此食材偏向多樣且進口、數量亦高於日常；此外餐廳現有之合菜配餐，從業人員多無食物里程概念。4. 消費者或許知道食物里程的概念但與其消費習慣是不一樣的。因此如欲落實減碳，未來仍需政府相關政策的引導及環境教育的配合，從日常飲食著手，始能漸收成效。 As global warming gets worse and worse, food mileage has become one of the important concepts every country promotes to call for energy saving and carbon reduction. Food is the basic need of man, but we seldom fully understand what our food is, where it comes from, how it is purchased, and how much carbon dioxide it emits when produced or transported. Besides, with a higher standard of living and the practice of five-day work week, we have more chances to go sightseeing. Therefore, this research aims to have a deeper understanding of what influence the change of lifestyle has had on carbon emissions. This research not only collects the records of carbon emissions from lots of documents as a database, but also conducts a survey of 70 consumers and investigates their daily diet and what they eat during a trip. The result is stated as follows:1. As far as food is concerned, transportation makes up a large proportion of the emission of carbon dioxide. If we want to reduce carbon footprint, it is important to eat locally produced food.2. A vegetarian diet emits far less carbon dioxide than a non-vegetarian one. If we aim to fight carbon emission, vegetarianism should be widely advocated.3. The food we eat during a trip produces far more carbon dioxide than our daily diet. Why? It is natural for us to indulge ourselves when going on a trip, so not only do we eat more than usual but the food tends to be more delicate and more diverse, and even comes from foreign countries. In addition, judging from the menus, most restaurant staff do not have any idea of food mileage.4. Consumers might have the concept of food mileage but do not necessarily spend money accordingly. Only by starting with daily diet can we really reduce carbon emissions. It is necessary for our government to develop a relevant policy and to combine it with environmental education.
