Mongabay: The Amazon rainforest is popularly known as the the planets lungs absorbing and storing 100 billion tons of carbon and preventing it from entering the atmosphere. Maintaining that vast carbon sink is seen as vital to limiting climate change impacts. Now, new research published in the Global Biogeochemical Cycles journal shows that droughts can bring this crucial ecosystem service to a grinding halt. University of Exeter scientist Dr. Ted Feldpausch and an international team of researchers...