You may have seen newspaper articles or segments on television regarding Earth Hour being observed tonight.  This event attempts to involve more than one billion people in 4,000 cities around the world, inviting communities, business and governments to switch off lights for one hour at 8:30 pm local time–sending a powerful global message that Earth’s citizens care enough about climate change to take action.   We have many books and videos in our collection that address our environment and the impact of global warming.   We applaud this effort tonight to show our concern and hope that you’ll put out your lights for an hour to show YOUR support!