A new study founded by NASA and published on November 11 in Proceedings of the National Academy of Sciences, shows a 13-year decline in vegetation in the eastern and southeastern Amazon.
Peru hosts about 75 percent of the western Amazon jungle. Deforestation is therefore a critical topic for the country.
Scientists say they've used satellite data to measure for the first time the amount of water that rises and falls in the Amazon River floodplain each year.
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