Forests are great carbon sinks—they absorb more carbon from the atmosphere than they release. Globally, forests remove nearly all of the 2 billion tonnes of carbon dioxide that is currently being removed from the atmosphere every year. Forests are great carbon sinks—they absorb more carbon from the atmosphere than they release. Globally, forests remove nearly all of the 2 billion tonnes of carbon dioxide that is currently being removed from the atmosphere every year. Environment Phys.org – latest science and technology news stories