If Climate Change Doesn't Get Us...

Colliding Continents will..

Supercontinent could wipe out humans in 250 million years, study says

Actually, the resulting effect will be climate change, so it will be climate change after all.

Quote:

The altered terrain, coupled with increased solar energy and higher concentrations of carbon dioxide in the atmosphere, will likely render conditions on Pangea Ultima "inhospitable to mammals," the study predicts, noting that the forecast carbon dioxide levels combined with a brighter sun "will probably lead to a climate tipping point" that causes the "mass extinction" of Earthly mammals, humans included.

Maybe we will have moved on by then.

via International Skeptics Forum https://ift.tt/ZtOk5pA