David Muir had fans feeling emotional after his latest social media post managed to shine a light on an important and heartbreaking issue.MORE: David Muir's dashing dad is his double in remarkable throwback photoThe Good Morning America star shared a throwback picture of himself surrounded by several children from Southern Madagascar.He used the picture to highlight that many of those kids would be on the brink of starvation thanks to the disastrous effects of climate change.WATCH: Robin Roberts bids farewell to Good Morning AmericaDavid captioned the heartbreaking shot with: "Tomorrow, the children in desperate need of help.
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