The document summarizes information about nuclear weapons, including: - The US currently has over 10,000 nuclear warheads, with some deployed in NATO countries. - The US is the only country to have used nuclear weapons in war against Japan in 1945. - Nuclear weapons pose catastrophic humanitarian and environmental risks that persist for generations. - Billions are spent annually to maintain nuclear arsenals that could otherwise fund health, education and development needs. - Events are planned on August 6-9, 2005 at nuclear weapons sites to commemorate Hiroshima and Nagasaki and call for nuclear abolition and an end to war.