Another way that I try to minimize my negative impact is by considering the living things on the planet. I try not to needlessly harm. If a bug is going to sting me, aka a mosquito, I'll kill it cause it's either him or me (and one of my needs is not getting bitten by bugs.) Everyone does have to eat, so I will kill plants for food. But I strive for efficiency and eschew any kind of wasting. I won't cook or order more food than I need, and I feel guilty if anything goes bad or to waste. I believe in personal freedom, and I believe that the choices I make are disciplined, individual, everyday choices that lower my negative impact on the environment of the world.