The potential reintroduction of beavers to Scotland after almost 500 years is a historic opportunity that could bring major environmental and economic benefits to Scotland – including by generating millions of pounds through eco-tourism, conservation charity Trees for Life said today. The charity is so confident of the benefits of beavers, both to the eco-system and economy, that it has been establishing areas of aspen, a favourite of the beaver, in preparation for spread of the mammal to areas of the Highlands. This week or next, Scottish Natural Heritage is due to report to the Scottish Government on the Scottish…