[LINK] "A Longer Life for Earth's Biosphere?"

[rfmcdonald]

Over at Centauri Dreams, the possibility is raised that rather than being suffocated by Venus-like conditions in a billion years or so, life could continue for another 1.3 billion years if enough nitrogen could be sequestered so as to allow for a thinner atmosphere better able to regulate conditions. This sequestration might even happen naturally, it seems.