In this ongoing series, InsideClimate News examines the reasons for coal's bleak future, the battles lines being drawn for and against it and what energy sources will likely replace the fossil fuel.
► The Series
A 5-4 decision chides the agency for not considering the costs of regulating emissions from coal plants.
Urging a retreat from costly emissions-cutting technology, coal advocates offer less-stringent approach.
President Obama's $3 billion plan called 'cold comfort' by Republican leaders, who haven't allocated it to help coal-dependent communities.
The state has been moving away from coal-fired electricity for the past decade, and the effects of climate change already has its attention.
Twelve states have sued the EPA, 12 others have created legislative hurdles. Still, most are planning to meet EPA's carbon reduction targets.
The 'war on coal' started long before Obama took office to control the costly and deadly health impacts of an otherwise cheap and abundant fuel.
As coal-fired power plants in the state continue to close, Kentucky closes in on reaching federal clean-air standards it resists.
Under the proposed federal regulations, coal production would plummet, the Energy Information Administration says.
In contrast to weak EPA regulations, recent ruling takes a strong stand on mishandling of coal ash by utility giant Duke Energy.
Coal's future as a major energy source is being undermined by market forces, government regulations and moral arguments.
► Related Stories
Decision over the future of the San Juan coal plant could reverberate through the entire coal industry and could also steer debate over renewables.
The federal plan to fix loopholes that allow coal companies to skimp on royalties might create a sinkhole instead.
Appeals panel appears unlikely to block the Clean Power Plan before it is final, as sought by industry and several states.
New study shows that job gains, not the losses the industry predicted, would follow if new carbon rules are implemented.
If the EPA is forced to impose a federal plan, it's going to limit options and be bad news for customers in that state.