The Paru State Forest is the world's 3rd-largest sustainable-use tropical forest reserve, and is home to a tree standing 30 stories tall.

But in October of last year, its home state of Pará was the 5th-most deforested in Brazil, alarming experts and environmentalists that its giant trees (including the massive red angelim) are at risk.

Listen to the popular article from Sarah Brown, Amazon's tallest tree at risk as deforestation nears, by clicking the play button.

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Photo Credit: The Amazon's tallest tree grows in the Paru State Forest and is one of several giant trees in the region. Each one can sequester up to 40 tons of carbon, nearly as much as a hectare (2.4 acres) of typical forest. Image © Havita Rigamonti/Imazon/Ideflor.

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