This article seems to explain things a little better: https://www.sciencenews.org/article/tropical-forests-have-flipped-sponges-sources-carbon-dioxide https://

This article seems to explain things a little better: https://www.sciencenews.org/article/tropical-forests-have-flipped-sponges-sources-carbon-dioxide https://www.sciencenews.org/article/tropical-forests-have-fl... Also actual study, Guardian's link is/was broken: http://science.sciencemag.org/content/early/2017/09/27/science.aam5962 http://science.sciencemag.org/content/early/2017/09/27/scien...