As Amazon’s ‘flying rivers’ weaken with tree loss, scientists warn of severe droughts, Pg14.

Key Highlights:

• Scientists warn that deforestation in the Amazon is disrupting "flying rivers," impacting rainfall patterns.
• Deforestation weakens the "pump" effect of the Amazon, reducing water vapor transport.
• Southern Peru and northern Bolivia are highly vulnerable to drought due to deforestation in Brazil.
• Researchers urge zero deforestation, forest restoration, and protection of Indigenous land rights.
• The Amazon rainforest's shift to savanna would devastate wildlife, communities, and global climate.

Detailed Insights:

• The Amazon's rainfall cycle starts in the Atlantic, with winds pushing moist air inland.
• Trees act as a "pump," absorbing water and releasing it back into the air, relaying water vapor.
• Climate scientist Carlos Nobre coined the term "flying rivers" to describe this phenomenon.
• Deforestation in Brazil reduces water vapor reaching the Andes, increasing drought risk in Peru.
• Protecting forests, Indigenous rights, and restoring deforested areas are crucial to prevent collapse.
• Governments should consider conservation categories to protect atmospheric flows of "flying rivers".
• A shift from rainforest to savanna would release vast amounts of carbon dioxide, accelerating warming.

Key Concepts Involved:

• Flying Rivers: Atmospheric water vapor flows transporting moisture across continents.
• Deforestation: Clearing of forests, reducing water absorption and vapor release.
• Tipping Point: A critical threshold beyond which an ecosystem undergoes irreversible change.