I can't read the original paper, but the article seems to be conflating the tropics and tropical forests, which are normally two distinct things. Perhaps the st

I can't read the original paper, but the article seems to be conflating the tropics and tropical forests, which are normally two distinct things. Perhaps the study says that the tropics (the region between the Tropic of Cancer and the Tropic of Capricorn) are now no longer a carbon sink, because the tropical forests have been so degraded?