http://www.articleheaven.net en-us editorial@articlealley.com Should we use alternative energy sources because of concerns about global warming or perhaps because it is morally responsible, or from an economic stance. Global warming has been one of the hot topics discussed in the last couple of years. There is gr... http://www.articleheaven.net/global-warming-perspective-on-alternative-energy-1200289.html 27th October 2009