UNITED NATIONS, Nov. 13 (UPI) -- U.N. Secretary-General Ban Ki-moon called on all world leaders to attend the climate-change conference scheduled for December in Copenhagen, Denmark.
UNITED NATIONS, Oct. 28 (UPI) -- U.N. Secretary-General Ban Ki-moon announced plans to speak to leaders in Britain and Greece on the global challenges presented by climate change.
GENEVA, Switzerland, Sept. 3 (UPI) -- United Nations Secretary-General Ban Ki-moon said at a Swiss conference a global warming pact should be finalized in the face of ongoing climate change.
BRUSSELS, March 28 (UPI) -- U.S. President Barack Obama has drawn praise from his European counterparts for his commitment to fight global climate change.
WASHINGTON, Jan. 26 (UPI) -- U.S. Secretary of State Hillary Clinton named Todd Stern, a key adviser during her husband's presidency, as a special envoy for climate change Monday.
POZNAN, Poland, Dec. 11 (UPI) -- U.S. President-elect Barack Obama's man at a U.N. climate conference in Poland said the United States and Europe could jointly lead on climate protection.
HONOLULU, Feb. 1 (UPI) -- A top U.N. climate official outlined in Hawaii steps to fight climate change.
BERLIN, April 6 (UPI) -- German Chancellor Angela Merkel called for "decisive action" to counter global warming after Friday's climate change report release.
NAIROBI, Kenya, Nov. 15 (UPI) -- U.N. Secretary-General Kofi Annan, speaking at a conference in Kenya, asked for stronger global leadership to combat climate change.
NEW DELHI, Oct. 23 (UPI) --
