4 May 2012 Deal News Blue Pillar raises $7m, US Army venture fund participates in round Juhl Wind acquires Midwest engineering firm Canadian Solar announces Bulgarian deal Pratt & Whitney wins biomass deal B&W, KBR win $668m waste-to-energy contract REC wins 20MW of deals in Bulgaria Boskalis wins three wind …
Video: World’s tallest building could be a 24/7 Australian solar chimney
Video: World’s tallest building could be a 24/7 Australian solar chimney By Mark Halper | January 26, 2012, 8:34 AM PST Bad news for Dubai’s 829-meter high Burj Khalifa. It might lose its distinction as the world’s tallest building, if a bunch of hot air takes root as planned in …