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Mt. Etna

ETNA ERUPTS  This Italian volcano (shown here in 2013) erupted in 44 B.C., likely reducing monsoon rains that fed into the Nile River and ultimately fueling civic unrest in Ptolemaic Egypt.

RRS James Clark Ross

ICY VOYAGE  In February, an expedition led by the British Antarctic Survey will journey to Antarctica on the RRS James Clark Ross (shown here during the Antarctic summer of 2010‒2011) to study a mysterious ecosystem exposed in July by the calving of the Larsen C iceberg.

illustration of Orbiting Carbon Observatory-2

LOFTY LOOK  NASA’s Orbiting Carbon Observatory-2 (shown in an artist’s illustration) launched in 2014 and is giving scientists an unprecedented peek into how carbon moves between land, atmosphere, and oceans on Earth.

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