Lack of oxygen on Earth will kill most of life in one billion years, finds new research

The sun will start to heat up and the atmosphere will get warmer breaking down CO2 which will affect plants and the availability of oxygen.

from http://www.firstpost.com/tech/science/lack-of-oxygen-on-earth-will-kill-most-of-life-in-one-billion-years-finds-new-research-9394731.html