OT: What is the biggest

[Dragonswrd]

I didn't mean we would die because of running out of oil. I meant we have almost reach the point of no return on polution and such. We will run out of oil in about 15 to 20 years. Hydrogen fuels cells are non polluting but to produce them is very polluting (sorry on the bad english). We can run out of oil and survive, but if we cut most of the trees down and kill most of the corral reefs (which we are very close to doing), and kill most of the algea (again we are fairly close to doing) we will run out of air. And Last time a checked we needed that.