What is the beggist problem in the world......terrorism or global warming?

Fighting terrorism is very challenging. Global Warming is challenging too! Facing the economy slowdown and financial crunch is a bigger issue because it faced us directly everyday. Let the authority handle the terrorism. We as citizen of this planet should hand in hand contribute to help to protect our earth from Global Warming. Go Green and 'Reduce, Reuse & Recycle' We can play our part.