Earth
Endangered earth: The secret battle to save our soils
We can't bury our heads in the sand any longer. More than a third of Earth's top layer is at risk. Is there hope for our planet's most precious endangered species?
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We can't bury our heads in the sand any longer. More than a third of Earth's top layer is at risk. Is there hope for our planet's most precious endangered species?
The Volkswagen emissions outrage shows how hard it is to gauge the environmental claims of big business. A fresh approach is needed, says Fred Pearce