For now, non-iOS users must load their tickets though a mobile site in order to save a tree or two.

ENGADGET: Amtrak readies conductors to trade in their hole punchers for iPhones

To save the fast-disappearing forests, Parliament in 1581 passed a bill to forbid tree-cutting within 22 miles of the Thames, 3 miles of the coastline and 4 miles of the Sussex forests.

FORBES: Magazine Article

Endangered tree snails are being bred in a Hampshire zoo in an attempt to save them from extinction.

BBC: Partula tree snail

An injunction has been granted to allow the felling of a tree in North Yorkshire which has been the subject of a five-year battle to save it.

BBC: The tree in Irton