Published on March 3, 2017
Remains of a 400-million-year-old tropical forest found in Norway
SVALBARD, Norway, An ancient tropical forest found in Svalbard, a Norwegian archipelago in the Arctic Ocean, may explain one of the most dramatic climatic shifts in Earth’s history.
Some 400 million years ago, Earth’s atmosphere witnessed a 15-fold reduction in carbon dioxide. Climate scientists have long tried to account for the drop.
Some scientists believe it was the rise of forests just like the one found in Norway that precipitated the change. As the planet came to host large plants for the first time, the mighty tropical trees sucked millions of tons of CO2 from the atmosphere.
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