One day after Trump's inauguration, oil and gas billionaires see their total wealth boosted by more than $3 billion.

Democratic-led states and civil rights groups filed a slew of lawsuits challenging U.S. President Donald Trump's bid to roll back birthright citizenship on Tuesday in an early bid by his opponents to block his agenda in court.

Trump’s day-one actions on energy come as climate change-fueled fires ravage Southern California, following the globe’s hottest year on record.

President Donald Trump, in a flurry of climate and energy-related orders on Monday, made it clear he wants to turn his back on nearly a decade of climate action and smooth the way for the fossil fuel industry in the United States.

President Donald Trump has launched a sweeping offensive on energy during his first hours in office, issuing a raft of executive orders to boost fossil fuel production and roll back U.S. commitments to fight climate change.