BlogArena

General blog about anything and everything of everyday's life.

20. Sep 2019

December 2, 2013
by Guest Post
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Acid raid, ozone depletion contributed to ancient extinction

Washington, D.C.— Around 250 million years ago, at the end of the Permian period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth’s history. Some researchers have suggested that this extinction … Continue reading

January 16, 2011
by Guest Post
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Earth’s Hot Past: Prologue to Future Climate?

*Study of Earth’s deep past leads to look into the future*  The magnitude of climate change during Earth’s deep past suggests that future temperatures may eventually rise far more than projected if society continues its pace of emitting greenhouse gases, … Continue reading