Scientists have made a breakthrough that could help treat ash trees that are affected by dieback: http://wtcampaigns.wordpress.com/2013/03/08/ash-dieback-dna-breakthrough/
Previous related posts
http://www.badwitch.co.uk/2012/11/act-now-to-save-our-ash-trees_4.html
http://www.badwitch.co.uk/2012/12/review-wood-wisdom-guide-to-sacred.html
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