April 18, 2012 7:08 am Green Library Gives Power Back to Grid The West Irving Library in Texas operates completely on solar power. The 1-year-old building is generating even more power than it uses. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look