St. Louis city hall becomes wildlife habitat for monarch butterflies

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ST. LOUIS (KPLR) -It's a first of its kind distinction for a major city, St. Louis' city hall is now a certified wildlife habitat.  The National Wildlife Foundation has picked St. Louis to launch a campaign to save monarch butterflies, and the mayor is leading the charge.

The National Wildlife Foundation estimates the world's monarch butterfly population has dropped from close to a billion 15 years ago to about 50 million now; more than a 90% drop for a species vital to our food supply.

On Earth Day 2014, St. Louis Mayor Francis Slay launched Milkweeds for Monarchs: The St. Louis Butterfly Project. The initial challenge was to create 250 monarch gardens in the city to mark the 250th anniversary of the city’s founding.