PORTLAND, Ore. (KOIN) — The once-mysterious green “scum” that was first reported to be floating through Portland on the Willamette River earlier is still lingering in the area. However, local experts ...
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What happens when a tiny plant changes Earth’s climate forever
Around 49 million years ago, Earth was a hot jungle planet with no polar ice. Then a tiny floating fern called Azolla exploded across the Arctic Ocean and began pulling massive amounts of carbon ...
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