Earth & Environment

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ozone map

OZONE SNAPSHOT  The Antarctic ozone hole is finally healing, scientists say, even though that recovery has been somewhat obscured by recent volcanic activity that temporarily boosted the hole (bluish area centered over Antarctica) to record size last October.

global leaders at Paris Agreement

UNFINISHED BUSINESS  Plans to curb climate change announced in advance of the December 2015 Paris Agreement aren’t nearly ambitious enough to keep global warming below 2 degrees Celsius by the end of the century, new research shows.

balloons

HEFTY HELIUM  A reservoir of more than a trillion liters of helium gas are stashed away beneath Tanzania, enough to fulfill global helium demand for everything from party balloons to MRI machines for years.

Earth & Environment

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