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Forest change mapped by Google Earth
A new high-resolution global map of forest loss and gain has been created with the help of Google Earth.
The interactive online tool is publicly available and zooms in to a remarkably high level of local detail - a resolution of 30m.
It charts the story of the world's tree canopies from 2000 to 2012, based on 650,000 satellite images by Landsat 7.
In that time, the Earth lost a combined "forest" the size of Mongolia, enough trees to cover the UK six times...
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/... http://www.bbc.co.uk/news/science-environment-24934790
