Richard Preston - Town Hall Lecture

On his book "The Wild Trees" Preston journeying into
the perpendicular universe of the world’s tallest
trees, mostly California redwoods. Suspended in
their crowns is a primeval kingdom of plants and
animals that only a handful of people have ever
seen, and writer Preston explores the startling
biosystem of “the canopy,” sharing the story of
those who are committed to the preservation of
this astonishing and largely unknown world.