Over the past centuries, many animals have become extinct merely because of natural evolution. Today, the Polar Bear is in danger of extinction and it is because of global warming, a phenomenon of concern to all mankindGlobal warming sees polar bears stranded on melting ice | Mail Online
They cling precariously to the top of what is left of the ice floe, their fragile grip the perfect symbol of the tragedy of global warming.
www.dailymail.co.uk/.../Global-warming-sees-polar-bears-stranded-melting-ice.html - Similar - . This article will give you an insight into the alarming plight of this mighty bear.