经济学人Smoke and mirrors

2018-08-27 20:21 分类：滚动来源：LearnAndRecord

『甘肃龙网摘要_经济学人Smoke and mirrors』小编提示您本文原始标题是：经济学人Smoke and mirrors Smoke and mirrors Wood-burn...


小编提示您本文原始标题是：经济学人Smoke and mirrors

Smoke and mirrors

Wood-burning stoves, the picturesque polluters

The government wages a careful battle against a middle-class favourite

----经济学人Smoke and mirrors//----甘肃龙网 //

INTERIOR-DESIGN magazines and television programmes have in recent years fuelled a fashion for wood-burning stoves. About 7.5% of homes in Britain burn wood for ambience or warmth, according to a survey in 2015. By now the share is probably higher, since about 175,000 new stoves are sold each year.

The trouble is that the wholesome-looking burners are big emitters of fine particles, specks of dust and soot measuring less than 2.5 micrometres (0.0025 millimetres) which sink deep into the lungs and pass into the bloodstream, causing respiratory and heart diseases. Britain has made strides in reducing fine-particle pollution from most sources in the past few decades (see chart). But home wood-burning has rocketed, and now accounts for 38% of the particles emitted in Britain, more than twice the amount spewed by vehicles.

----经济学人Smoke and mirrors//----甘肃龙网 //

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