So if an Intentional COVERT Atmospheric Aerosol Injection Program were initiated . . . would we know it or detect it . . . ? Especially when designed and managed by the same people who brought us the Manhattan Project and SDI. . . .??

Since it could be accomplished through a slow build up over months or even years to increase the earth 's albedo by only ONE percent. . . .

"In Aspen, Wood didn't pull any punches. "He was being outrageous," Caldeira remembers with amusement. "He said something like, 'If we want to solve the global warming problem, we could just have a nuclear war.'" Even the title of his presentation was provocative: "Geoengineering and Nuclear Fission as Responses to Global Warming." By spending only about $1 billion per year, Wood argued, we could put enough particles in the stratosphere to reduce sunlight by about 1 percent — and that's all we'd need to start reversing global warming."
[link to www.wired.com]