For all you questioning Red on global warming, how much do you know about it? There is no doubt that humans are impacting the world as we know it for the worse. If you don't believe that, drink water out of the Mississippi. Carbon dioxide levels have exponentially increased, which is making the oceans more acidic and less hospitable to a number of creatures, which is affecting the food chain. The earth has a carrying capacity, we can't expand forever, especially in the careless manner that we are currently doing it.