Do you agree with car-less cities i mean cities with no car? I would because global warming will kill our mother earth . How would u feel being hot during the day and cold at night. "Paris  basically has more smog than other European capitals . They try to blame everything on diesel . France has a tax policy that favors diesel . Diesels make up 67 % of france.

In Bogot, columbia - theres a program that sets to spread to there spred to other countries, millions of columbians hiked, biked, skated or took buses to work during a car-free day yesterday, leaving the streets of this capital city eerily devoid of traffic jams. "The rain hasn't stopped people from participating," said bogota mayor antanas mockus.

" It's a good oppurtunity to take away stress and lower air polution" ." These people are generating a revolutionary change, and this is crossing borders" . President Obama has ambitious goals to curb the united states' greenhouse gas emissions, un vieled last week , will get a fortuitious assist.

The united states, with its broad expanses and suburban ideal, had long been one of the worlds prime car cultures. It is the birthplace of model T ; the home of detroit; the place where wilson pickett immortilized "Mustang Sallyc" . "What most intrigues me is that rates of car ownership per house hold and per person started to come down two to three years before the downturn,"

"Different things are converging which suggest that we are witnessing a long term cultural shift, " Pedestrian , bicycle , private cars , commercial and public transportation traffic are woven into a connected network to save time , conserve recources , lower emissions . Some countries are only 53.3 % average  of diesel engines in the rest of western europe .

Now you know why driving is so dangerous to our earth . So you need to think carefully about driving or wanting a car take the subway or somthing . Do not just destroy our home  take care of it  . Im not a tree hugger but just take care of mother earth .