The Amazon Rainforest generates its own weather. Each day, the forest’s 390 billion trees release approximately 20 billion metric tons of water vapor into the atmosphere through evapotranspiration, creating what Brazilian scientists call rios voadores — flying rivers. These aerial currents of moisture flow westward from the Atlantic, recirculating water from the forest canopy before turning south to deliver rainfall across South America’s agricultural heartlands. But the mechanism is breaking down. Since the 1970s, Brazil has cleared 88 million hectares (217 million acres) of Amazon forest, most converted into low-productivity pastures, with around 45 million hectares (111 million acres) considered severely or moderately degraded. The consequences extend beyond biodiversity loss, carbon emissions and social disruption: deforestation threatens the continent’s productive capacity and the economic livelihoods of hundreds of millions of people. Droughts in 2023 and 2024 affected more than 50 million hectares (124 million acres) of forest, and scientists warn that continued deforestation could push the system past a tipping point where the Amazon can no longer sustain its rainfall regime. Yet hidden within this environmental crisis lies an economic opportunity. Brazil’s Forest Code, revised in 2012, requires private properties in the country’s Amazonian region to maintain native vegetation on 80% of their landholding as a “legal reserve” (reserva legal). Properties that clear forest beyond the 80% threshold carry a “forest debt” with a legal obligation to restore equivalent forest cover. Analysis using Brazil’s Rural Environmental Registry (CAR) indicates about 280,000 properties are noncompliant, with a collective deficit of 10…This article was originally published on Mongabay
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