var didyouknow_factoids = new Array(); didyouknow_factoids[0] = "Everyday enough wind power blows through the Midwest corridor every day to also meet 100% of US electricity demand."; didyouknow_factoids[1] = "Over 24 states have signed into law renewable portfolio standards, which require their electric utilities to generate a portion of power from renewable sources."; didyouknow_factoids[2] = "The solar energy from one 92 by 92 mile parcel of land in the South Western US can power our entire electricity system."; didyouknow_factoids[3] = "Every hour, the sun delivers as much energy to the Earth as all of humanity uses in a year."; didyouknow_factoids[4] = "Geothermal energy can provide enough energy to equal 2,000 year's-worth of the United States' current energy consumption."; didyouknow_factoids[5] = "A 2007 study by McKinsey indicates that increased energy efficiency alone could achieve a 20-24% reduction in projected energy use by 2020."; didyouknow_factoids[6] = "For the third year in a row, the United States led the world in installed wind power in 2007."; didyouknow_factoids[7] = "Wind farms are already installed in 34 states and are now producing enough energy for more than 4.5 million homes."; didyouknow_factoids[8] = "Right in the heart of the oil patch, Houston is now receiving about 25 percent of its electricity from wind power."; didyouknow_factoids[9] = "Japan's solar production increased twenty-two fold from 1994 through 2003 while Japan was in a recession."; didyouknow_factoids[10] = "The cost of a kWh of photovoltaic electricity went from 50 cents in 1995 to 20 cents in 2005, and is projected to reach grid parity in 3-7 years."; didyouknow_factoids[11] = "There are only 3 solar thermal plants operating in the US, but 21 more are under development that will increase solar thermal electricity by 10 times."; didyouknow_factoids[12] = "Recent global clean energy investments increased from $100 billion in 2006 to almost $150 billion in 2007."; didyouknow_factoids[13] = "California's energy efficiency program has avoided the need to build 24 power plants, or equal to the energy required to power 3.8 million homes."; function rand( min, max ) { if( max ) { return Math.floor(Math.random() * (max - min + 1)) + min; } else { return Math.floor(Math.random() * (min + 1)); } } var interval = 7000;