FACTBOX: Clinton Global Initiative achievements

(Reuters) - Former U.S. President Bill Clinton kicks off his third annual summit to tackle the world's health, education, poverty and climate problems on Wednesday.

More than 1,200 people from 72 countries, including 52 current and former heads of state, celebrities, aid workers and company chiefs, will attend the three-day brainstorm session.

- Most people attending the summit must pay a $15,000, although most charity groups are exempt.

- People who do not make good on their commitments are not invited back. This year five people who had paid the membership fee to attend were asked not to come and had their money returned for not fulfilling their pledges, down from 17 people last year.

- During the past two years the initiative has avoided or reduced 20,070,524 tonnes of greenhouse gas emissions.

- The initiative has helped 3,234,800 people gain access to clean energy services in the developing world.

- By the end of this year the initiative will have treated 34 million people for neglected tropical diseases.

- More than 857,000 children under the age of 5 have been reached with life saving services through the initiative.

- Three million additional small businesses have gained access to capital through the initiative.

Source: The Clinton Foundation