https://pinboard.in/u:roel/public/ recent bookmarks from roel 2011-10-31T10:34:09+00:00 http://www.amazon.com/Powering-Dream-History-Promise-Technology/dp/030681885X/ref=sr_1_1?ie=UTF8 roel book energy sustainability green https://pinboard.in/ https://pinboard.in/u:roel/b:0a02b5a98712/ 2011-06-24T07:49:01+00:00 http://gigaom.com/cleantech/5-companies-using-big-data-to-help-the-planet/ roel data sustainability energy news big_data EcoFactor Geostellar Hara OPower SAP https://pinboard.in/ https://pinboard.in/u:roel/b:e121fd46607b/ 2010-03-11T10:47:09+00:00 http://www.cbc.ca/technology/story/2010/03/08/tech-climate-carbon-outsourcing.html roel carbondioxide environment emissions energy sustainability https://pinboard.in/ https://pinboard.in/u:roel/b:9747174c6d7a/ 2009-11-24T12:18:10+00:00 http://kaart.trouw.nl/ roelsustainability climate map trouw https://pinboard.in/u:roel/b:74cbda78f87a/ 2009-11-12T13:05:54+00:00 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