Writers, scientists and environmental campaigners reflect on the figures whose ideas preceded the influential 1962 book Silent Spring and laid the foundations of the contemporary green movement
Curt Meine considers the ideas of outdoorsman, forester and philosopher Aldo Leopold, whose book A Sand County Almanac became a classic in American nature writing.
DetailsBotanist Sandy Knapp considers 19th-century naturalist Alfred Russel Wallace's surprisingly radical views about our relationship with nature.
DetailsIndian eco-activist Vandana Shiva discusses the Chipko protest of 1730 when 363 Bishnoi people in Rajasthan were massacred for protecting a forest of sacred Khejri trees.
DetailsRichard Mabey explores the role of 19th-century poet John Clare in bringing the beauty and fragility of the natural environment to wider public attention.
DetailsDonald Worster discusses the life of John Muir, a Scot who emigrated to the US in the 19th century and became a strong advocate for the American wilderness.
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