News tagged with population declines

Demystifying shrinking cities

A new book by geography and planning experts examines several decades worth of data to provide an analysis of the state of shrinking cities across the United States.

dateSep 14, 2016 in Social Sciences
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Beyond milkweed: Monarchs face habitat, nectar threats

In the face of scientific dogma that faults the population decline of monarch butterflies on a lack of milkweed, herbicides and genetically modified crops, a new Cornell University study casts wider blame: sparse autumnal ...

dateApr 22, 2016 in Ecology
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