It is clear, for example, that the carbon cost of transporting tomatoes from Spain to the UK is less than that of producing them in the UK with additional heating and lighting.
A combination of energy-efficient air conditioning, a rainwater harvesting system and low energy lighting can reduce a hotel's carbon footprint by 75 per cent compared to the average establishment.
同时使用高效能冷气机、雨水收集系统和低耗能照明系统可以有效减少酒店75%的二氧化碳排放量。
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Mundane though they may seem, improvements in commercial lighting, programmable thermostats, televisions, and refrigerators could yield enormous savings in cost and carbon.