Ash trees also face insect threat

An insect that has killed more than 99% of North American ash trees it has infested could be heading to the UK, according to scientists. The emerald ash borer is a beetle that is native to Asia and eastern Russia, but entered into North America around 2002. via Pocket http://www.bbc.co.uk/news/science-environment-24290530#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa