Donald Trump is once again threatening to withhold or add conditions to disaster relief for areas that don't support him.

Outgoing Energy Secretary Jennifer Granholm took one last trip to Puerto Rico on Friday to promote solar power on the ...

California's net-zero energy obsession – from automobiles to home appliances – is a blind strategy for failure, writes Kerry ...

As wildfires ravage southern California, President-elect Donald Trump has attacked Democratic officials, continuing a pattern ...

"The freedom of Puerto Rico is pending, and we will achieve it with Brazilian troops," the Venezuelan president said.

Puerto Rico’s new natural resources secretary has shelved an investigation into allegations of illegal construction in a ...