Trees damaged by the effects of toxic acid rain in the highly polluted area known as the "Black Triangle" are seen in northern Czechoslovakia in 1991. A similar treeless landscape full of wood-eating fungi dominated Earth about 250 million years ago, when acid rain from a volcanic eruption killed off most life on Earth. Photograph by Tom Stoddart/Getty Images From National Geographic:
Massive volcanic eruptions wiped out the world's forests about 250 million years ago, leaving the planet teeming with wood-eating fungi, according to a new study.
The finding confirms that even hardy trees didn't survive the Permian mass extinction, one of the most devastating losses of life Earth has ever known.
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