If a microwave oven is not an option, gas ovens are generally less carbon-intensive than electric.
2
是不是有些鱼类比其他鱼碳强度更高？
Are some fish more carbon intensive than others?
3
中国提出在2020年前将碳强度削减40%至45%。
China has proposed that it will cut its' carbon intensity '— the amount of carbon emitted per percentage point of gross domestic product — by 40% to 45% by 2020.
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