Depends on where you live, and what sort of lifestyle. Americans make up ~4% of the world population, yet generate ~25% of the world's waste. One American consu

Depends on where you live, and what sort of lifestyle. Americans make up ~4% of the world population, yet generate ~25% of the world's waste. One American consumes as much energy as ~370 Ethiopians. If every human on the planet lived like Americans, we would need over 4 Earths to sustain us. The generally accepted number you are looking for (for the average American) is about 40. I'm American, and I plant trees whenever I can.