Science A 3D interactive map of the shade provided by every single NYC street tree Ruben Bolling

trees Arborist takes a wild ride trimming 100-foot palm tree David Pescovitz

Science This is one of the world's tallest trees; and this is the arborist who climbed it David Pescovitz

hawaii Lahaina's Banyan tree grows new leaves Jason Weisberger

labor NBCUniversal accused of damaging LA city trees to deprive strikers of shade while picketing Ruben Bolling

pants Chainsaw vs. protective pants Rusty Blazenhoff

accidents Man walking around carrying his severed arm saved by tree trimmers trained in tourniquets David Pescovitz

trees Ancient redwoods cloned and replanted Jason Weisberger