Scientists Calculated The Ultimate Lifespan of Earth’s Biosphere : ScienceAlert

If Earth’s life survives the Anthropocene, it will eventually face another existential threat from space.

As the Sun brightens with age, it will inevitably interfere with our planet’s finicky carbon cycle, triggering a depletion of atmospheric carbon dioxide to the point where plants will starve.

Luckily, this won’t happen until at least 1.6 billion years from now, suggests new research…