Two of the World's best known are pooling their money in a bid to get the world off cigarettes.
A global program to reduce tobacco use in low- and middle-income countries was launched in 2006 with funds from Bloomberg Philanthropies. A competitively awarded grants program is an important part of the Program. The grants program supports projects to develop and deliver high-impact tobacco control interventions.
http://www.globaltobaccocontrol.org/