WASHINGTON — Changes made to government-subsidized meals by the Obama administration to get schoolchildren to eat more fruits are having their intended effect, according to a study released on Wedn

For the first time, researchers have shown that reducing air pollution leads to improved respiratory function in children ages 11 to 15, a critical period of lung development.

McDonald’s said on Wednesday that it would begin using chickens that are not raised with antibiotics used to treat humans, a move likely to put pressure on competitors of the fast-food chain, which

NEW DELHI — Her first child survived eight months before succumbing to pneumonia; her second was stillborn; her third, delivered in a rickshaw, gasped for an hour before dying.

BERLIN — The European Union will fail to meet an ambitious goal of significantly reducing greenhouse gas emissions by 2050 unless it takes more aggressive measures to limit the use of fossil fuels

Since February 2010, 1,308 dead or dying marine mammals — mostly bottlenose dolphins, including juveniles or aborted fetuses — have washed ashore on beaches and wetlands from Texas to Florida, or h

Drawing one of the strongest links yet between global warming and human conflict, researchers said Monday that an extreme drought in Syria between 2006 and 2009 was most likely due to climate chang

WASHINGTON — President Obama on Tuesday rejected an attempt by lawmakers to force his hand on the Keystone XL oil pipeline, using his veto pen to sweep aside one of the first major challenges to hi

The government is spending far too little money on energy research, putting at risk the long-term goals of reducing carbon emissions and alleviating energy poverty, some of the country’s top busine

WASHINGTON — After two years of imposing increasingly stiff penalties on automakers that overstate their fuel economy ratings, federal regulators on Monday said they would tighten guidelines used i