The Peace Prize, the most celebrated of the Nobel honours, will be announced on October 14 in Oslo by the Norwegian Nobel Committee.
Bono has made headlines this year with his global push to tackle African poverty, while the nuclear issue has been in focus with Iran and North Korea stubbornly pursuing their nuclear programmes as the world this year marks the 60th anniversary of the nuking of Hiroshima.
Other potential winners include Ukraine President Viktor Yushchenko, Georgian President Mikhail Saakashvili, humanitarian organisations that assisted in the December 26 tsunami crisis, and the Indonesian government and Aceh rebels, who recently signed a peace accord ending almost 30 years of fighting.
Last year’s Peace Prize went to Kenyan ecologist Wangari Maathai, the first African woman and the first environmentalist to win the award.
The Nobel season will kick off with the announcement in Stockholm of the Prize for Medicine or Physiology on October 3, to be followed by the Physics Prize on October 4, the Chemistry prize on October 5 and the prize for Economics on October 10.
In keeping with tradition, the Swedish Academy will set the date for its announcement of the Literature Prize later. It is traditionally awarded on a Thursday, and could be announced on October 6.
Each Nobel Prize this year will carry a prize sum of 10 million Swedish kronor, to be shared if the prize is awarded to more than one laureate.