Population Researchers Look for Room in Academe

Yana Paskova for The Chronicle

Sabine Marx (right), a research scientist at Columbia U.'s Earth Institute, was recently promoted based on a new system that puts more weight on fieldwork.
October 30, 2011 Premium content for subscribers. Subscribe Today

The world's population officially hits seven billion on October 31, a foreboding milepost for battles against a host of major societal scourges, including hunger, disease, poverty, and climate change.

With current conditions, the number is expected...

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