Furnace: Global warming is caused by the harmful greenhouse gases that emits from your home furnace. The furnace contributes to the largest portion of your energy bill.
炉子：炉子也是引起全球变暖的温室气体的制造者，同时它消耗了家里最多的能源。
2
It is to carbon dioxide as a furnace to a candle: one kilogram of the stuff causes as much warming as 23 tonnes of carbon dioxide.
它与CO2的关系就如同火炉之于蜡烛。一公斤六氟化硫产生的热量与23吨二氧化碳产生的热量相当。
3
While Mom and I wiped the lamb down with dry towels, Dad stoked the furnace with coal so that the newborn would have warming heat to drive away the cold.