What's behind the decline in human progress?

Human progress is in decline. The UN says life expectancies, education levels and living standards have fallen in nearly every country. So, what's behind the change? Join host Adrian Finighan. Guests:  Luis Felipe López Calva - UN Development Program's Regional Director for Latin America and the Caribbean.  Dr Jemilah Mahmood - Professor and Executive Director of Planetary Health at Sunwan University.  Charles Businge - Middle East and North and East Africa Director for Plan International.