President Barack Obama declared the debate over climate change and its causes obsolete Tuesday as he announced a wide-ranging plan to tackle pollution and prepare communities for global warming.
President Barack Obama is preparing to announce new steps to combat climate change, including increased production of renewable energy on public lands and federally assisted housing.
Efforts to come to grips with climate change are among the national priorities President Barack Obama has had difficulty advancing, even though he's five months into his second term. Now, Obama says he wants to change that.
The projections paint an unsettling picture of New York's future: A city where by the 2050s, 800,000 people could be living in a flood zone that would cover a quarter of the land, and there are as many 90-degree days as is now normal for Birmingham, Ala.
A new study looking at 11,000 years of climate temperatures shows the world in the middle of a dramatic U-turn, lurching from near-record cooling to a heat spike.
Secretary of State nominee John Kerry calls global climate change a "life-threatening issue" and says the United States must play a key role in reducing greenhouse gas emissions that contribute to global warming.