MORE: Is David Muir leaving ABC News? David has highlighted the heartbreaking issue in Southern Madagascar where children are starving due to climate change.

David Muir reports on southern Madagascar on the brink of climate-induced famine "World News Tonight" anchor traveled to the island nation, where severe drought is causing sandstorms and crop ...

The World Food Programme thanked David in a Twitter post which read: "Since @DavidMuir’s detailed look at the world’s first climate-induced famine in #Madagascar for @ABCNews last week, $3.2 ...

He's also helped set an all-time record of $9 million in donations raised for the World Food Program through his reporting on climate change from South Sudan and Madagascar. And most recently, he was ...

David Muir reports on southern Madagascar on the brink of climate-induced famine "World News Tonight" anchor traveled to the island nation, where severe drought is causing sandstorms and crop ...

Muir's reporting on the first climate-change driven famine in Madagascar, and the hundreds of thousands displaced by flooding in South Sudan raised a record $9 million from viewers for the World ...

Muir's reporting on the first climate-change driven famine in Madagascar, and the hundreds of thousands displaced by flooding in South Sudan raised a record $9 million from viewers for the World ...

Muir's reporting on the first climate-change driven famine in Madagascar, and the hundreds of thousands displaced by flooding in South Sudan raised a record $9 million from viewers for the World ...

Muir's reporting on the first climate-change driven famine in Madagascar, and the hundreds of thousands displaced by flooding in South Sudan raised a record $9 million from viewers for the World ...

Muir's reporting on the first climate-change driven famine in Madagascar, and the hundreds of thousands displaced by flooding in South Sudan raised a record $9 million from viewers for the World ...