Former Vice President Al Gore and the U.N.'s Intergovernmental Panel on Climate Change won the 2007 Nobel Peace Prize on Friday for their work to raise awareness about global warming.
In a statement, Gore said he was "deeply honored," adding that "the climate crisis is not a political issue, it is a moral and spiritual challenge to all of humanity."
The former vice president said he would donate his half of the $1.5 million prize to the Alliance for Climate Protection, a U.S. organization he founded that aims to persuade people to cut emissions and reduce global warming.
The White House offered an initial reaction to the Nobel win by President Bush's 2000 opponent. "Of course, we're happy that Vice President Gore and the IPCC are receiving this recognition," said deputy press secretary Tony Fratto.
During its announcement, the Nobel committee cited the winners "for their efforts to build up and disseminate greater knowledge about man-made climate change, and to lay the foundations for the measures that are needed to counteract such change."
The award ceremony will be held December 10 in Oslo, Norway. Video Watch why Gore won the Nobel prize »
In recent weeks, Gore has been the target of a campaign to persuade him to enter the 2008 presidential race.
A source involved in Gore's past political runs told CNN that he definitely has the ambition to use the peace prize as a springboard to run for president.
But he will not run, because he won't take on the political machine assembled by Sen. Hillary Clinton, said the source. If the senator from New York had faltered at all, Gore would take a serious look at entering the race, the source said. But Gore has calculated that Clinton is unstoppable, according to the source.
Gore repeatedly denied he has any plans to run again, but this week a group of grass-roots Democrats calling themselves "Draft Gore" took out a full-page ad in The New York Times in a bid to change his mind. Watch more on the movement to draft Gore Video
"Your country needs you now, as do your party, and the planet you are fighting so hard to save," the group said in an open letter.
"America and the Earth need a hero right now, someone who will transcend politics as usual and bring real hope to our country and to the world."
The Nobel committee praised Gore as being "one of the world's leading environmentalist politicians."
"He is probably the single individual who has done most to create greater worldwide understanding of the measures that need to be adopted," said Ole Danbolt Mjoes, chairman of the Nobel committee.
In making the announcement, Mjoes said, "Through the scientific reports it has issued over the past two decades, the IPCC has created an ever-broader informed consensus about the connection between human activities and global warming.
"Thousands of scientists and officials from over 100 countries have collaborated to achieve greater certainty as to the scale of the warming."
The Intergovernmental Panel on Climate Change was established in 1988 to study climate change information. The group doesn't do independent research but instead reviews scientific literature from around the world.
The U.N.-sanctioned group was formed by the World Meteorological Organization and U.N. Environment Program.
U.N. Secretary-General Ban Ki-moon said he was "delighted" with the news that Gore and the IPCC will share in prize.
A spokeswoman for the IPCC, which draws on the work of 2,000 scientists, said the panel was surprised that it had been chosen to share the award with Gore and praised his contribution to environmental campaigning.
"We would have been happy even if he had received it alone because it is a recognition of the importance of this issue," spokeswoman Carola Traverso Saibante said, The Associated Press reported.
The Nobel caps a series of prestigious awards associated with Gore, including two Oscars this year for the 2006 documentary film, "An Inconvenient Truth," which followed him on a worldwide tour publicizing the dangers of climate change.
Last month, he also picked up an Emmy -- the highest award in U.S. television -- for "Current TV." The show, which Gore co-created, describes itself as a global television network giving viewers the opportunity to create and influence its programming.
Previous American recipients of the peace prize include former Presidents Carter in 2002, Wilson in 1919 and Theodore Roosevelt in 1906.
In 1973, Secretary of State Henry Kissinger shared the award with North Vietnam's Le Duc Tho. The Rev. Martin Luther King Jr. received the honor in 1964. See more on previous Nobel winners »
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Gore was vice president for eight years under President Clinton. He won the Democratic presidential nomination in 2000 and ran against Bush.
But he failed in his bid for the White House -- despite winning more popular votes than Bush -- when the U.S. Supreme Court rejected his challenge over voting results in Florida, securing an Electoral College majority for Bush
