As the country's 14th secretary of energy, Perry leads an agency he once vowed to eliminate. He has emerged as a central figure in the impeachment inquiry of Trump.
The President of Ecuador has reversed his decision to repeal a decades-old fuel subsidy after gas prices spiked and widespread protests raged for nearly two weeks.
The California utility PG&E has begun implementing blackouts in parts of the state. The hope is to prevent wildfires caused by power company equipment during a period of hot, dry weather.
The House impeachment inquiry is shedding light on business ties between Trump administration officials — including Energy Secretary Rick Perry — and Ukraine's energy industry.
Despite advertising as one of Ukraine's biggest independent gas producers, the energy company where Joe Biden's son Hunter sat on the board, is registered in Cyprus and is invisible in Kyiv.
Farmers say their livestock and operations are being unfairly blamed for greenhouse gas emissions. They descended on The Hague, causing what's been called the country's worst morning rush hour.
The multibillion-dollar solar photovoltaic industry has roots in an unexpected place. More than 40 years ago, oil companies invested in solar research and development that have proved critical.