1% at the scale of the worls is huge...and can make the difference between all-right and cataclysm...

I think it's not true to consider we don't pollute and should go on like this, and furthermore I've seen much different numbers (cars producing 20% of the human CO2 from what I remember). And I don't think human only participate to 3% of the global C02 production. Numbers can be very different, depending on the way to obtain and interprete them.

As far as "China does pollute too" is concerned...if the rich, mature economies don't show the example there will never be any change. It's not because your neighbour does not try to make an effort for the env. that you shouldn't either. It's just an excuse to go on like this. It is certainly not China that should be at the front of the env. move, they have other problems. But rich countries should.

Furthermore, China is very serious about developping electrical cars and encourages green-tech much more than we think.

I think the gov. don't want to realize how serious this problem is, and it is to us citizens to do what we can to limit the human impact on the global warming. I don't say we all should sell our cars for a bike, but that we should be conscious that the environment is now a main concern and that we should make what we can to take it into consideration.

So I do limit my use of my car. When I don't really need to take it I do otherwise.