Amazon Trees Emit Never Before Seen Chemicals After Historic Drought
The Amazon rainforest may be revealing a new warning sign of climate stress. Scientists have discovered that trees in the world's largest rainforest released previously undetected chemical compounds into the atmosphere during and after the record breaking drought of 2023–24 suggesting that extreme climate events are altering the forest's natural processes in unexpected ways.
The findings come from researchers at Max Planck Institute for Chemistry, who monitored air samples above the Amazon canopy and found that trees began emitting rare chemical compounds known as sesquiterpene alcohols. These molecules had never before been recorded in the air over a tropical rainforest.
Researchers collected air samples at the Amazon Tall Tower Observatory, located northeast of Manaus. By tracking ...









