Bill Gates says malnutrition is the “world’s worst child health crisis" and climate change will only worsen it.

This is true for nearly every issue the Bill & Melinda Gates Foundation works on, from poverty reduction to primary-school enrolment. But nowhere is the contrast more stark or tragic than in health. Between 2000 and 2020 the world witnessed a global health boom.

Malnutrition is the world's worst child health crisis and climate change will only make things more severe, according to Microsoft-co-founder turned philanthropist Bill Gates. Between now and 2050, 40 million more children will have stunted growth and 28 million more will suffer from wasting,