Cutbacks on coal are adding to the country's dependence on natural gas imports.
Beijing stakes its claim to northern resources and routes.
Officials say efficiency rose despite faster economic growth.
Air quality suffers in provinces beyond the capital region, according to Greenpeace.
Doubts surround claims of an economic speedup in 2017.
Heavy reliance on natural gas imports is seen as a security risk.
The "frenzy" of investment in the US is over, expert says.
The financial risk rises as economic growth slows.
The state media blame ‘local policymakers’ for heating woes.
The curbs do little to limit production.
Capital flight is feared as the Chinese Communist Party steers the flow.
The country’s reliance on foreign oil will rise to 80 percent, one study says.
A spike in global emissions is blamed on an economic growth spurt.
A system to prevent data fraud was initially set for 2016.
Government regulation spurs a shortage of cleaner fuel.
A private share sale to China is backed by a Russian loan.
Trade risks rise over forced technology transfer, with product demand in China shaped by government policies.
Central bank chief Zhou Xiaochuan prepares to step down.
Lower targets may lead to sustainable growth, but reform leaves some conflicts unresolved.
A new alert system targets environmental "overloading."
The government pushes its state sector reform plan.
The privately held firm CEFC China Energy Company Ltd. invests in closer energy ties.
Government continues to pursue high-growth goals.
Beijing tries to steer more capital into support for government projects amid concerns over outflow.
Industry emissions estimates have faced delays, in part due to concerns over the quality and opacity of reporting data.
Official reports spin results as growth slows.
A crackdown intensifies as political stakes rise.
Central Asia may suffer from a gas glut.
Data gaps leave regulators in the dark.
Infrastructure initiative relies on construction deals.