Obama's action on carbon emissions angers Congress
Harsh Reactions to executive order to significantly reduce carbon emissions.
Takeaways From EPA's New Rules for Power Plants
Emissions goals easier to meet than many expect, may face big challenges.
Duke Energy to pay for Dan River coal ash spill cleanup
Nation's largest electricity company to pay costs of spill that coated river in gray sludge.
Duke Energy Sign deal to cover cost of spill cleanup
Officials in NC, VA signed an agreement for the cleanup of toxic coal ash from the Dan River.