OTD: Biologist, writer & environmental trailblazer Rachel Carson was born May 27, 1907. Her iconic book "Silent Spring”, published in 1962, highlighted the harmful effects of pesticide use in the USA, specifically DDT, on nature & humanity and is widely regarded as having ignited the modern global environmental movement. Carson died in 1964. 60 years after its publication, “Silent Spring” continues to be as relevant as ever. Photo: Thomas Brosnihan / Wikimedia Commons, CC BY-SA 4.0