A billion years from now, Earth may run out of oxygen, says study A billion years from now, Earth may run out of oxygen, says study In a new study, researchers have predicted that there will be no more oxygen left on Earth in billion years from now. But, how will it happen? Read on to know. advertisement UPDATED: March 5, 2021 10:39 IST Reseachers modelled Earth's climatic, biological and geological systems to predict future atmospheric conditions on Earth. (Image for representation: Reuters) Countries have time and again batted for an eco-friendly environment to ensure more greenery and less pollution in the atmosphere. This, not only helps sustain biodiversity, but also helps humans live a healthier life. But what will happen if the universe itself conspires to kill life on Earth in coming years?