US states and cities to challenge Trump executive order

A coalition of 23 US states and local governments has vowed to challenge in court President Trump's latest Executive Order reversing a raft of President Obama's climate change regulations.

US and Canada prevent oil drilling in Arctic waters

The United States and Canada will freeze future oil and gas drilling in their Arctic waters, a move applauded by environmentalists but denounced by the energy industry.

'Monster' Hurricane Matthew Bears Down on Florida After Killing 283 in Haiti. Obama has already declared a state of emergency for Florida and South Carolina.

Hurricane Matthew is being called "a monster" and truly the proverbial "storm of the century" as it heads toward Florida's east coast.

Obama warns of devastating effect of Hurricane Matthew

US President Barack Obama warned on Wednesday that Hurricane Matthew could have a devastating effect as residents of southeastern US states were bracing themselves for one of the most powerful storms to hit the region in almost a decade.

6 Dead, 20,000 rescued in heavy flooding in Louisiana

At least six people have died and 20,000 more have been rescued in heavy flooding caused by torrential rains over the weekend in Louisiana, local authorities reported.

Obama welcomes NASA's Scott Kelly back to Earth

US President Barack Obama spoke by phone with NASA astronaut Scott Kelly Wednesday afternoon, welcoming him back to Earth from his yearlong mission on the International Space Station, the White House said.

White House announces steps to boost US resilience to earthquakes

The White House on Tuesday announced new measures, including a new executive order, aimed at improving the country's resilience to earthquakes in the future.

US Declares Flood Emergency in Missouri as Rivers Continue to Rise

President Barack Obama declared an emergency Saturday in the flood-ravaged state of Missouri, a move that allows federal aid to help the state recover from massive flooding that has killed at least two dozen people, forced thousands of others to evacuate and submerged huge swaths of farmland.

Obama calls Paris climate accord "a turning point for the world"

US President Barack Obama on Saturday called the Paris climate agreement "a turning point for the world," saying it had created an "enduring framework" for future efforts.

US Curbs Future Oil Drilling in Arctic

The Obama administration has closed the door on oil drilling in the Arctic Ocean off the shores of Alaska.

Environmentalists to Protest at White House Against Oil Spill on Oceans

Hundreds of advocacy groups and community leaders are expected to gather in front of the White House on Tuesday and call on the Obama administration to stop fossil fuel leases on public lands and oceans.

Obama: Alaskans Feel Signs of Climate Change

U.S. President Barack Obama says Alaskans — residents of the vast and remote northwestern state that lies partially in the Arctic Circle — are already feeling the effects of climate change, as he prepares for a three-day visit to the state starting Monday.

Obama Hails New Orleans Recovery: 'You Inspire Me'

Ten years after Hurricane Katrina hit New Orleans, killing 1,800 people and destroying 100,000 homes – President Barack Obama hailed the southern U.S. city’s revival.

3 US city mayors launch climate change campaign

Mayors of Los Angeles, Houston and Philadelphia announced a social media campaign Monday to urge U.S. leaders to sign onto the strongest possible binding agreement for the reduction of greenhouse gas emissions during the upcoming climate conference in Paris.

US announces new measures to boost renewable energy

The U.S. government announced Monday new actions to help households to use renewable energy and improve energy efficiency.

Obama unveils power plant greenhouse gas limits

President Barack Obama framed climate change as the toughest and most pressing challenge of our time Monday, as he unveiled the first ever limits on US power plant emissions.