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The dirty reason China can't always tell North Korea what to do
China coal mine
China coal mine

(A villager selecting coal at a coal depot near a coal mine of the state-owned Longmay Group on the outskirts of Jixi, in Heilongjiang province, China, on October 23.REUTERS/Jason Lee)

Global consumption of coal has declined significantly over the past year, driven by China, which makes up about half of the world's demand for coal.

But the Asian giant's break from one of the world's dirtiest fuels is unlikely to be a clean one: While China seems to be reducing coal production and consumption domestically, political concerns suggest that Beijing will maintain support for coal production in North Korea.

This relationship has led China to push for sanctions exemptions for its coal trade with the hermit kingdom, even as Beijing winds down its own coal production — the livelihood of an increasingly restive portion of the Chinese population.

'There isn't going to be change'

China's economy grew 6.9% in 2015, the lowest rate in 25 years, and Reuters has reported that the government intends to lay off 5 million to 6 million state workers over the next two to three years, "as part of efforts to curb industrial overcapacity and pollution."

In northeast China, a hub of industrial and coal production, those layoffs have already started.

Local economies in parts of Heilongjiang, in far northeast China, fell 10% in 2014. Coal prices in those areas have fallen by half since 2011, and the Chinese pullback from coal and heavy industry has left many workers without work and with few prospects.

China coal production 2020
China coal production 2020

(Projections for Chinese coal production in 2020, much of which will come from the country's north.Courtesy of Stratfor)

Chinese leadership has promised that the 1.8 million workers who will be fired from government-run coal and steel firms (others will be laid off from private companies) will be retrained and rehired.

"The opportunities for middle-aged or even elderly former coal miners and steel plant workers are more limited in a province where the economy really has slowed to virtually zero," Geoffrey Crothall of the nonprofit China Labor Bulletin, which has tracked a significant spike in labor strikes in China over the past six months, told the Associated Press.

Unrest has grown in the northeast, and large protests have taken place. Many workers, mostly young ones, have left the area for manufacturing centers in southern China, according to the AP.

Those who remain, and still have work, say they haven't been paid in months.

China coal miners
China coal miners

(Miners waiting for an elevator to go down into a coal mine in Lvliang, Shanxi province, China, in 2012.REUTERS/Stringer)