Climate change affects not only air temperature and sea levels, but soil as well. And an American scientist is on an award-winning quest to reverse the damage.
The frozen desert valleys of Antarctica are among the world's most inhospitable environments. The landscape is so barren that just 30 years ago, experts did not think it could support life.
But beneath the surface, microscopic worms called nematodes thrive in a unique ecosystem - and they are helping researchers understand the effects of climate change.
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