The government stored sensitive personal information on millions of health insurance customers in a computer system with basic security flaws, according to an official audit that uncovered slipshod practices.
US President Barack Obama made a full-throated defense of renewable energy, hitting coal-championing critics as free market hypocrites.
Pushing back against fossil fuel interests, President Barack Obama is pressing to give ordinary Americans more power to choose what kind of power they use.
As supporters and opponents of the proposed Keystone XL (KXL) Pipeline testified at public hearings in Nebraska between 2010-2013, several interest groups attempted to frame the debate in different ways.
The campaign to stop President Barack Obama's sweeping emissions limits on power plants began taking shape Wednesday, as 16 states asked the government to put the rules on hold while a Senate panel moved to block them.
President Barack Obama's plan to slash electricity-generated CO2 emissions was welcomed Tuesday as a courageous step towards a lower-carbon future, but not yet enough to brake dangerous planet warming.
The EU on Monday hailed US President Barack Obama's clean power plan as "a positive step" to cut carbon emissions ahead of a global climate summit in Paris.
President Barack Obama described climate change as one of the key challenges of our time Monday as he announced the first ever limits on US power plant emissions.
US President Barack Obama will Monday unveil what he called the "biggest, most important step we've ever taken" to fight climate change, a sensitive issue central to his legacy.
President Barack Obama plans to decide before leaving office whether to approve the controversial Keystone XL pipeline that would send Canadian crude oil to US refineries.