Climate scientists say global emissions of carbon dioxide seem to have dipped a bit in 2015, though the world economy is still growing. China's reduced use of coal may be the main reason.
Rep. Lamar Smith of Texas is formally investigating a recent study on global warming. Smith calls the timing of the study's publication "suspicious," but many scientists call his tactics "bullying."
New research raises alarms about quakes near Cushing, Okla., home to the country's largest oil hub. No damage has been reported, but operators at the hub are on alert.
A federal jury has convicted former Massy Energy CEO Don Blankenship for conspiring to willfully violate mine safety standards at the site of a 2010 explosion that killed 29 people.
The Saudis could push up world oil prices by cutting their production. But they seem to feel that would mostly help their rivals, like Iran and Russia. So the Saudis are expected to keep pumping away.
Former Massey Energy CEO Don Blankenship was acquitted of two other counts, meaning he'll face far less than the potential 30-year prison sentence prosecutors had sought.
Past U.S. leaders tried to commit the nation via treaty to steep cutbacks in greenhouse gases. But without congressional support, those pledges fizzled. President Obama is trying regulation, instead.