Hello all - this paper looks highly relevant to this thread.

"Satellite alerts track deforestation in real time: System uses Landsat data to issue warnings just hours after tree loss is detected"

http://www.nature.com/news/satellite-alerts-track-deforestation-in-real-time-1.19427?WT.ec_id=NATURE-20160225&spMailingID=50771961&spUserID=MjA1NzczODY4NwS2&spJobID=863026682&spReportId=ODYzMDI2NjgyS0