Siberian park gets new population in climate change test

A Russian scientist hopes to prove that bringing back animals will save the permafrost and reduce global warming. Wild horses have returned to northern Siberia. So have musk oxen, hairy beasts that once shared this icy land with woolly mammoths and saber-toothed cats. Moose and reindeer are here, and one day may be joined by Canadian bison and deer.

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Siberian park gets new population in climate change test