Melinda Gates : Hans Rosling , professor of international health at the Karolinska Institute in Sweden , who uses statistics to show concrete examples of progress in child health ; . The UN adopted Millennium Development Goals 10 years ago . She says there 's been extraordinary progress in many areas . Growth in child mortality alone will save 4 million lives in 2010 , compared to 1990 , she says . Gates : I ' m optimistic about the world but impatient for faster change .
Melinda Gates : The UN adopted Millennium Development Goals 10 years ago . She says there 's been extraordinary progress in many areas . Growth in child mortality alone will save 4 million lives in 2010 , compared to 1990 , she says . Gates : I ' m optimistic about the world but impatient for faster change .