Scotland's First World War heroes will be commemorated with new native woodland in the Pentland Hills south of Edinburgh. The Woodland Trust Scotland is working in partnership with the Defence Infrastructure Organisation (DIO) to create Scotland's First World War Centenary Wood, one of four to be planted by the charity across the UK which will create a living memorial of the conflict. Over the next four years more than 50,000 trees including oak, birch and rowan will be planted on land that has been used by army personnel for training for more than a century on the MOD training estate…