The grass is not, in fact, always greener on the other side of the fence. No, not at all. Fences have nothing to do with it. The grass is greenest where it is watered. When crossing over fences, carry water with you and tend the grass wherever you may be.
Every month, the US is spending more on the Iraqi war than it took to reach Saturn and Titan. Mass murder is expensive, and good science is relatively cheap.