According to the Xerces Society for Invertebrate Conservation, an organization that monitors monarch butterfly populations, the number of monarch butterflies observed at 97 sites in 2018 was dramatically lower than the year before. In fact, the numbers dropped as much as 86%. That’s a startling statistic and is much higher than scientists expected to see. Worse yet, looking back twenty to thirty years, the records showed a population around 4.5 million, which means the rate has been dropping consistently...
from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/monarch-butterfly-conservation-groups-fight-to-conserve-the-species
via Inhabitat
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