Setting ambitious goals for producing energy from the sun, wind and other renewable sources, Hillary Rodham Clinton seized on an issue Monday that increasingly resonates with Democratic voters and

BEIRUT, Lebanon — On a normal weekend night, the revelers at Floyd the Dog, a bar in one of this city’s rowdiest party neighborhoods, spill onto the sidewalk, drinks in hand, to smoke cigarettes in

In the race to develop technologies to slow climate change, the world is off track.

As head of the Department of Environmental Conservation, Joseph Martens oversaw the decision to ban hydraulic fracturing for natural gas in New York State.

TEHRAN, Iran — Iran's state media say heavy rains triggered flash floods that killed 11 people in a mountainous area in the country's north.

Black children were almost four times as likely as white children to be living in poverty in 2013, a new report has found, the latest evidence that the economic recovery is leaving behind some of t

FOLSOM, Calif.

WASHINGTON — The Obama administration is set on Friday to unveil a major climate change regulation intended to rein in planet-warming carbon pollution from heavy-duty trucks.

WASHINGTON — States where the congressional delegation votes greener tend to have air that's cleaner, spewing less heat-trapping gas, a new study finds.

After a nurse who contracted Ebola in Sierra Leone was discharged Wednesday from a Rome hospital, a doctor there described the experimental treatments the patient had received as “absolutely miracu