President Obama delivered a speech to the United Nations today as 100 world leaders gathered for the highest-level summit yet on climate change. Obama said the United States is ...

The president called for investing in renewable energy, promoting greater efficiency, and slashing our emissions to reach our targets.

U.N. Climate Change Summit New York, NY. Good morning. I want to thank the Secretary-General for organizing this summit, and all the leaders who are participating.

US president Barack Obama will travel to Copenhagen next month for the United Nations climate change conference, a White House official confirmed We. ... U.S. president Barack Obama will travel to Copenhagen next month for the United Nations climate change conference, a White House official confirmed Wednesday. Obama had previously not committed to making an appearance at the summit. He is now expected to deliver a speech on Dec. 9 as he makes his way toward Oslo, Norway, ...

Today, the White House announced that President Obama will attend the UN sponsored climate conference in Copenhagen. The US President is scheduled to deliver a speech in Copenhagen on December 9, on his way to Oslo, Norway, ...