Telegraph: When he wasn't at sea blockading the French, Admiral Collingwood liked nothing better than walking out from his house in Morpeth, Northumberland, with a pocket full of acorns, which he would press into the soil at likely spots, in order to ensure that, years after he was gone, there would be full-grown oaks enough to build new ships of the line for the Royal Navy.
Today, our ships are no longer heart of oak, and thousands of our oaks are afflicted with a disease called acute oak decline. This...