Do you agree with Stephen Hawking about Earth being unsustainable? Submitted by yaykarin t3_z2acxz 2 years ago in space 188 comments 67
A2Mfanatic t1_ixhx90z wrote 2 years ago Reply to comment by VikingViik in Do you agree with Stephen Hawking about Earth being unsustainable? by yaykarin During the past 200,000 years, homo sapiens have survived two ice ages. Permalink Parent 1
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