BBC Science Focus

Climate inequality driven by transport practices

Energy footprints have been shown to grow with expenditur­e, and are unequally distribute­d – both within countries and between them

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The richest 10 per cent of people consume around 20 times more energy than the bottom 10 per cent, an internatio­nal study from the University of Leeds has found.

The research, which covered 86 countries, including all of Europe, looked at how different income classes tend to spend their money.

Unsurprisi­ngly, it found that the richer people become, the more energy they tended to use. But it also showed that rich people are more likely to splash the cash on the highest carbon activities – in particular, transport.

“All over the world, the trend is that richer households spend their extra money on energy intensive goods and services related to transport,” said Julia Steinberge­r, co-author and professor ecological economics at the University of Leeds. “This inequality and the

overuse of transport by richer income classes was a surprise.”

The disproport­ionally high transport energy used by rich people is due to them taking more

flights DWying more and larger

cars and driving longer distances in them, shows the paper, which

Yas pWDlished in the scientific

journal Nature Energy.

“Even within countries like Germany or the UK, richer households tend to be responsibl­e for the kilometres driven,” said Steinberge­r. “Not necessaril­y the number of trips, but the super long trips where people are crisscross­ing the country with their large cars tend to be richer households.”

6he finding that transport and especially flying is the most unequal form of energy use is the most striking part of the new study, said Tim Gore, head of policy on climate, food and land rights at Oxfam. “Across the 86 countries studied, the poorest 50 per cent of people are responsibl­e for less than 5 per cent of energy used in aviation, while the top 10 per cent richest are responsibl­e for 75 per cent,” he said.

The research could help to shed light on which climate policies are best placed to cut emissions in different areas, says Steinberge­r.

For example, taxing high consumptio­n of vehicle fuel and

flights coWld cWt emissions and

energy use because they are luxury products of which richer people tend to consume a lot.

“Policies that target those high consumers through monetary means and taxation make absolute sense,” said Steinberge­r.

On the other hand, taxing home heating would make little sense for cutting emissions from energy, since heating is an essential service that everyone needs.

p6he findings confirm that

government­s should avoid taxing energy used for essential purposes like heating homes, and instead invest public funds in retro

fitting hoWses and DWildings as

such measures are unlikely to be affordable to all,” said Gore.

“The research could help to shed light on which climate policies are best placed to cut emissions in different areas”

 ??  ?? Increased air travel by the wealthy is contributi­ng to higher energy usage
Increased air travel by the wealthy is contributi­ng to higher energy usage

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