way too crowded these days.

Around 1900 the world reached 1 billion in pupoulation. IN 1963 we were at 3 billion. $0 years later we doubled the population at 6 billion. Our growth is exponential and scary. As our numbers increase, our resources decrease at an alarming rate. How can we solve this crisis? Is this more of an immediate problem then global warming? Lets go to mars people! thoughts?