
All animals and plants will vanish from the Earth within the next billion years, a new study suggests.
But ironically the end of the world is going to arrive as a result of too little carbon dioxide in the atmosphere, rather than too much.
Currently experts are trying to find ways to cut levels of the greenhouse gas to prevent global warming running out of control.
But as the Sun ages and grows hotter, greater evaporation and chemical reactions with rainwater will take away more and more carbon dioxide.
[21,000 species at risk of extinction]
In less than a billion years, its levels will be too low for photosynthesising plants to survive, say scientists.
When that happens, life as we know it on Earth will cease to exist.
With the loss of plants, herbivorous animals will also die out, as well as the carnivores that prey on them.
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