Economic Times: Bin Laden has expressed concern about global climate change and flooding in , in an audiotape aired on the Internet, his first public remarks since March, a monitoring group said today. “The number of victims caused by climate change is very big… bigger than the victims of wars,” said the voice, whose authenticity could not be immediately verified and was made available by SITE Intelligence Group. The tape would be the first time Bin Laden has spoken publicly since March …